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3906444
Platen having a pressure-responsive transducing means for use in a signature-identifying system
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Issued on: 05/11/1976
Inventor: Radcliffe, Jr.
Signature verification method and apparatus
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Issued on: 09/28/1976
Inventor: Herbst , et al.
Pressure transducing platen for use in a signature identification or verification system
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Issued on: 11/09/1976
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Method and device for the assessment of signatures for forgeries
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Issued on: 02/01/1977
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Automated signature verification system
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Issued on: 06/07/1977
Inventor: Chuang
Input apparatus for dynamic signature verification systems
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Issued on: 03/07/1978
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Pressure-sensitive writing stylus
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Issued on: 09/05/1978
Inventor: Sniderman
Signature verification method and apparatus utilizing both acceleration and pressure characteristics
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Issued on: 12/05/1978
Inventor: Herbst , et al.
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Signature verification pen
Patent #: 4131880
Issued on: 12/26/1978
Inventor: Siy , et al.
Pressure sensing device and transducer arrangement
Patent #: 4142175
Issued on: 02/27/1979
Inventor: Herbst , et al.
Transducing device for signature verification system
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Issued on: 03/06/1979
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Signal train verification system using landmarks
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Issued on: 02/26/1980
Inventor: Crane , et al.
Document processing system
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Issued on: 05/06/1980
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Signature verification and authentication systems
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Issued on: 05/13/1980
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Hybrid signature test method and apparatus
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Issued on: 08/05/1980
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Tamper-resistant identification device
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Issued on: 09/09/1980
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Position sensing apparatus
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Issued on: 12/16/1980
Inventor: Howbrook
Method and apparatus for transaction and identity verification
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Issued on: 04/28/1981
Inventor: Konheim
Barooptical verification apparatus
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Issued on: 07/28/1981
Inventor: Boldridge, Jr.
Tamper-resistant identification device
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Issued on: 08/25/1981
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Signature verification method and apparatus
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Issued on: 08/25/1981
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Identity verification apparatus and method
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Issued on: 12/29/1981
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High security system for electronic signature verification
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Issued on: 04/20/1982
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Apparatus for determining pen acceleration
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Issued on: 08/17/1982
Inventor: Elliott
Signature verification system
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Issued on: 02/21/1984
Inventor: Carnes
Signature verification sensor
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Issued on: 10/02/1984
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Apparatus for signature verification
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Issued on: 01/22/1985
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Data input pen for Signature Verification
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Issued on: 04/23/1985
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Transducer for converting three dimensional mechanical input displacements into a corresponding electrical output signal
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Issued on: 08/20/1985
Inventor: Gobeli
Segmentation algorithm for signature vertification
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Issued on: 11/12/1985
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Semi-independent shifting technique for signature verification
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Issued on: 11/12/1985
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Shifting technique for signature verification
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Issued on: 12/31/1985
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Method and device for signature verification
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Issued on: 04/08/1986
Inventor: Rothfjell
Intruder detection radar system and automatic nulling antenna array
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Issued on: 06/17/1986
Inventor: Gehman
Dipole array with phase and amplitude control
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Issued on: 02/03/1987
Inventor: Gehman
Method and apparatus for dynamic signature verification
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Issued on: 02/24/1987
Inventor: Asbo , et al.
Individual verification apparatus
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Issued on: 03/24/1987
Inventor: Watanabe , et al.
Sign verification
Patent #: 4680801
Issued on: 07/14/1987
Inventor: Etherington , et al.
Interactive security control system for computer communications and the like
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Issued on: 09/01/1987
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Computer communications security control system
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Signature verification
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Issued on: 10/20/1987
Inventor: Scott
Process and apparatus involving pattern recognition
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Issued on: 01/05/1988
Inventor: Crane , et al.
Method and apparatus for positively identifying an individual
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Issued on: 01/19/1988
Inventor: Weiss
Automatic reference adaptation during dynamic signature verification
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Issued on: 02/09/1988
Inventor: Williford
Measure of distinguishability for signature verification
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Issued on: 04/05/1988
Inventor: Gundersen
Sign verification
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Issued on: 06/21/1988
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Bonding apparatus with means and method for automatic calibration using pattern recognition
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Issued on: 07/19/1988
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Data searching apparatus by feature pattern
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Issued on: 10/04/1988
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Signature verification algorithm
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Issued on: 12/06/1988
Inventor: Gundersen , et al.
Stepper motor shaft position sensor
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Issued on: 12/13/1988
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Voice network security system
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Issued on: 01/10/1989
Inventor: Kousa
Apparatus and methods for granting access to computers
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Issued on: 01/17/1989
Inventor: Davies
Computer key and computer lock system
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Issued on: 01/24/1989
Inventor: Vaughan
Computing and indicating device
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Issued on: 08/08/1989
Inventor: Weiss
Method of signature verification and device for carrying out the method
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Issued on: 08/08/1989
Inventor: Rothfjell
Digital signature system and method based on a conventional encryption function
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Issued on: 11/14/1989
Inventor: Merkle
Method of and an arrangement for forwarding a customer order
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Issued on: 01/30/1990
Inventor: Foster, et al.
Method of comparing a handwriting with a reference writing
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Issued on: 02/13/1990
Inventor: Bechet
Document security system
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Issued on: 02/27/1990
Inventor: Wright
Array processor and control method thereof
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Issued on: 02/27/1990
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Audio verification system and technique for GPS receivers
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Issued on: 03/20/1990
Inventor: Stulken
Dynamic time warping using a digital signal processor
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Issued on: 04/17/1990
Inventor: Daugherty
Method and apparatus for capturing information in drawing or writing
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Issued on: 10/16/1990
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Authentication system and apparatus therefor
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Issued on: 11/06/1990
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Electronically controlled sample warper
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Personal identification system and method
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Issued on: 02/05/1991
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Unforgeable personal identification system
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Issued on: 02/12/1991
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Public key/signature cryptosystem with enhanced digital signature certification
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Issued on: 04/02/1991
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Handwriting recognition employing pairwise discriminant measures
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Apparatus for recording and verifying handwriting, in particular signatures
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Issued on: 05/07/1991
Inventor: de Bruyne, et al.
Input device for dynamic signature verification systems
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Issued on: 05/21/1991
Inventor: Gladstone
Handwriting apparatus for information collection based on force and position
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Dynamic address binding in communication networks
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Method and apparatus for capturing information in drawing or writing
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Issued on: 06/25/1991
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Speech recognition apparatus using neural network and fuzzy logic
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Issued on: 08/13/1991
Inventor: Amano, et al.
Pattern generation method for registering handwriting
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Issued on: 08/13/1991
Inventor: Muroya
Signature verification method and system with optimization of static parameters
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Issued on: 08/20/1991
Inventor: Collot, et al.
Fuzzy data comparator with neural network postprocessor
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Issued on: 09/03/1991
Inventor: Basehore
Signature verification data compression for storage on an identification card
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Issued on: 10/01/1991
Inventor: Gunderson, et al.
Dynamic time warping (DTW) apparatus for use in speech recognition systems
Patent #: 5073939
Issued on: 12/17/1991
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Method and an apparatus for electronically compressing a transaction with a human signature
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Method and apparatus for secure identification and verification
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Issued on: 03/17/1992
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Fingerprint/signature synthesis
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Method and apparatus for capturing information in drawing or writing
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Issued on: 04/21/1992
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Methods and apparatus for signature verification
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Issued on: 04/28/1992
Inventor: Parks
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Method for signature verification
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Auto and hetero-associative memory using a 2-D optical logic gate
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Issued on: 07/14/1992
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Kernel testing interface and method for automating diagnostics of microprocessor-based systems
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Hand held explosives detection system
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Method to establish and enforce a network cryptographic security policy in a public key cryptosystem
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Method and apparatus for personal identification
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Pocket-sized computer access security device
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Computer-based training system with student verification
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Issued on: 03/30/1993
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High precision on-line signature dynamic verification system
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Security fastener application
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Issued on: 07/13/1993
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Integrated network security system
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Issued on: 08/17/1993
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Trusted personal computer system with identification
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Method and apparatus for identification of document skew
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Personal security system
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Inventor: Bocinsky, Jr.
5373559
Processing data base information having nonwhite noise
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Network security system and method using a parallel finite state machine adaptive active monitor and responder
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Signature verification apparatus and method utilizing relative angle measurements
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Issued on: 06/06/1995
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Authenticator card and system
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System for monitoring an industrial process and determining sensor status
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Method and apparatus for entity authentication
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Enhanced security for a secure token code
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June 7, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
