U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.

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Attorney: Schaap; Robert J.


Number of patents: 335
Last date: August 19, 2008

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NumberTitleIssue Date
7412942Personnel location control system with informational message presentation
A personnel guidance and location control system for controlling movement of one or more individuals to a particular destination, e.g. guiding one or more individuals in a selected path to a waiting point and then to an activity in advance of that waiting point or o...
08/19/2008
7402311Composition and method for treating non-bacterial cystitis
A composition and a method for treatment of urinary tract dysfunction and, particularly, non-bacterial cystitis and, even more particularly, non-bacterial chronic interstitial cystitis. The composition primarily relies upon the use of a bioflavonoid and, particularl...
07/22/2008
7369058Remote control electronic display system
A remotely controlled electronic display sign which operates with a plasma display and which provides for humidity and heat control and the like allowing the sign to be used in various environments. The sign is essentially self-contained and includes those component...
05/06/2008
D547222Motion sensor light for a recreational vehicle
07/24/2007
7227929Telecommunication system using message presentation during a ringing signal period
Marketing of goods and services on telephone lines and during a period from the commencement of a telephone call to the receipt and acceptance of that call (quiescent period) when the recipient of the call actuates his or her telephone. This quiescent period of time...
06/05/2007
D540736Roof rack
04/17/2007
7188582Personnel location control system with informational message presentation
A personal placement and location control system for controlling movement of one or more individuals to a particular destination. The control system provides a plurality of rows of indicators spaced apart from one another for defining a pathway of movement and an en...
03/13/2007
7182040Personnel guidance and location control system
A personnel location control system for controlling and guiding a group of individuals in a selected path to a waiting point and then to an activity in advance of that waiting point. The system in one embodiment relies upon a plurality of disks or like guide path-fo...
02/27/2007
7100633Unitary pipe cover assembly for undersink pipes
A unitary protective pipe cover for disposition about a pipe configuration under a conventional sink, and which is sized and shaped so as to cover the J-trap, as well as the waste arm, in the undersink pipe configuration. In the event that the waste arm extends at a...
09/05/2006
7082416Method of using prepaid cash card for making purchases on the world wide web
A method for making on-line purchases includes purchasing a card having a unique identification code and a predetermined cash balance and activating an associated account. Goods or services offered by a seller through a web-site are selected and the identification c...
07/25/2006
7064672High resolution digital display system with recording capability
A high resolution and high definition digital display system which is computer operated and includes a high resolution display panel in the form of a television system. A computer in the housing controls the generation of a display on the display screen with X-Y coo...
06/20/2006
7045696Single adjustment balancing and tuning of acoustic drums
Apparatus and method for enabling simultaneous balancing and tuning of an acoustic drum with a single adjustment. A band, such as a cable, extends about adjustment ties which holds the drum skin or head to the housing or hoop of the drum so that, when tightened, the...
05/16/2006
7006608Software algorithm and method enabling message presentation during a telephone ringing signal period
A software based algorithm and associated method for generating and delivering to a caller or a recipient, or both, a message generated over a telephone link during a normal telephone ringing signal period. The software based algorithm and method is operable with ha...
02/28/2006
6861997Parallel plate septum polarizer for low profile antenna applications
A parallel plate septum polarizer used in low profile, dual polarized, antenna applications such as satellite communications from a moving vehicle. The polarizer allows a wide waveguide to be fed from two thinner waveguides. Each thin waveguide operates with one pro...
03/01/2005
6839978Precise adjustment indicator holder and method
A precise adjustment indicator holder in which a position indicator is carried with respect to a work tool and a work piece. The indicator holder connects to the quill of the work tool, such as a machine tool, or other supporting device and is comprised of a pair of...
01/11/2005
6834464Overhead door lock system and control unit therefor
A locking mechanism includes a frame having a movement obstruction arm movable into a track on which rollers of an overhead door will move. When any roller on the door abuts against the arm, it will obstruct any further opening movement of the overhead door. A cammi...
12/28/2004
6827120Automatic pool cover system using buoyant-slat pool covers
A drive and control system for controlling the movement of a pool cover comprised of interconnected rigid buoyant slats. The system relies upon a hydraulic drive section including a hydraulic motor drive which may be initially provided with fluid under pressure by a...
12/07/2004
6799732Water sprinkler head with integral off-on water flow control valve and adaptive fittings therefor
A sprinkler head assembly comprised of a base located at the upper end of a riser tube and which base carries an insert with an opening allowing for distribution of water. In accordance with the present invention, a control valve is located directly at the sprinkler...
10/05/2004
6758426Manual shifting of transmission power ratio for mixer or shredder without power interruption
A shredder or mixer apparatus for the shredding or mixing of bulk material and which is mounted on a mobile chassis which may be driven by a power source on the chassis or pulled by a tractor or truck therefor. A specially designed power assist transmission receives...
07/06/2004
6739353Multi-section protective cover system for hot water pipes
A unique protective cover system for hot water pipes and other pipe installations and which relies upon a plurality of jackets capable of being disposed about the pipes. In one embodiment of the invention, there is provided an under-sink heat protective cover system...
05/25/2004
6697027High gain, low side lobe dual reflector microwave antenna
A significant problem in rotationally symmetric dual reflector systems is the blockage caused by the sub-reflector. This blockage produces lower gain and higher side lobes. The invention disclosed herein can be used to minimize or eliminate the blockage e...
02/24/2004
6672873Implement and method for determining presence of moisture in a root canal
A method of and device for testing for conditions, particularly moisture conditions, in root canals and for drying the root canal. In accordance with the method, a small pointed implement in the nature of a rolled piece of paper having pH indicator on the...
01/06/2004
6618172Drive system for digitizing scanning apparatus
A drive system for a digitizing scanning apparatus of the type which scans an image, such as a light transmissive document in the nature of an x-ray or the like, and enables generation of digital signals representative of that image. The drive system is u...
09/09/2003
6568608Water sprinkler head with integral off-on water flow control valve and adaptive fittings therefor
A sprinkler head assembly comprised of a base located at the upper end of a riser tube and which base carries a screen allowing for distribution of water. In accordance with the present invention, a control valve is located directly at the sprinkler head ...
05/27/2003
6561646Viewing of an anaglyph with improved stereoscopic image perception
An optical instrument which allows for perspective viewing of an anaglyphic image with minimal optical distortion. In one embodiment, the instrument relies upon anaglyphic lenses with one lens being formed of a first primary color and a second lens compri...
05/13/2003
6502480High performance forged aluminum connecting rod and method of making the same
An improved high performance aluminum connecting rod and a method of manufacturing such a connecting rod which is capable of carrying particularly high compressive loads with a substantially reduced deformation resulting from such high compressive loads i...
01/07/2003
6446289Inflattable mattress
An inflatable mattress capable of being folded or rolled into a small compact unit and unfolded or unrolled to a relatively flat or partially contoured body supporting condition. The mattress is comprised of an inner foam core of the type capable of being...
09/10/2002
6428022Inline skateboard
An inline skateboard capable of being propelled by leg motion of a rider and which includes a platform supporting the rider along with a front wheel truck and a rear wheel truck. Each of these wheel trucks carry a single wheel. Moreover, the wheels are ca...
08/06/2002
6399524Composite materials with highly aligned discontinuous fibers, and methods of preparation thereof
A composite material includes a highly aligned discontinuous fibers. The material comprises a plurality of substantially aligned warp fibers which have been woven about a plurality of weft filaments, each warp fiber having a series of crossover points wit...
06/04/2002
6363763Lock with sensor
A lock with sensor comprises a housing defining a chamber and a latch mechanism located within the chamber of the housing. The latch mechanism is movable relative to the housing between a retracted position wherein the latch mechanism is substantially wit...
04/02/2002
6327741Controlled self operated vacuum cleaning system
A controlled self operating vacuum cleaning system which comprises a stationary housing for the storage of a mobile vacuum cleaner apparatus and where the housing is provided with an automatically openable and closable closure allowing exit and entry of t...
12/11/2001
6251809Composite materials with highly aligned discontinuous fibers, and methods of preparation thereof
A composite material includes a highly aligned discontinuous fibers. The material comprises a plurality of substantially aligned warp fibers which have been woven about a plurality of weft filaments, each warp fiber having a series of crossover points wit...
06/26/2001
6215411Remote control electronic display system
A remotely controlled electronic display sign which operates with a plasma display and which provides for humidity control and the like allowing the sign to be used in various environments. The sign is essentially self-contained and includes those compone...
04/10/2001
6215055Foot pedal boards for musical instruments
A pedal board for releasably retaining a plurality of foot pedal operated sound effect generators used in conjunction with musical instruments, such as guitars. The pedal board comprises an upper plate having a surface constructed to releasably hold a plu...
04/10/2001
6205656Automated application of photovoltaic cells to printed circuit boards
An improved process for fabricating photovoltaic charging circuits including the steps of: 1. fabricating a circuit board by conventional techniques with photovoltaic piece mounting pads, islands, and traces suitable for interconnecting photovoltaic piece...
03/27/2001
6193809Rigging cable cleaning device
A rigging cable cleaning device primarily, although not exclusively, adapted for use on sailboat rigging cables, such as main sail cables, lanyard cables, and the like. The rigging cable cleaning device comprises an outer flexible fabric cover and an inne...
02/27/2001
6163251System and method for vehicle theft prevention and recovery
A vehicle theft prevention and recovery system is activated by a pager upon receiving a telephonic signal from a pager service, in response to a call from a vehicle owner or operator, to activate anti-theft means including a warning to a thief in the vehi...
12/19/2000
6156961System of stringed musical instruments with substitutable fingerboards
A stringed musical instrument having an elongate neck and a body which may have a resonant cavity at one end and a head at the other end thereof. Strings extend across the neck and, when vibrated, generate musical sounds. The invention relies upon fingerb...
12/05/2000
6134779High performance forged aluminum connecting rod and method of making the same
An improved high performance aluminum connecting rod and a method for manufacturing such a connecting rod are disclosed, the connecting rod being capable of carrying particularly high compressive loads with a substantially reduced deformation resulting fr...
10/24/2000
6130968Method of enhancing the readability of rapidly displayed text
A method of enhancing the readability of rapidly displayed text and with rapid apprehension, at a rate which is greater than the maximum unaided reading capability of that subject using the method. The method comprises a rapid and sequential moving of the...
10/10/2000
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