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Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.

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Attorney: Sapelli; Arthur A.


Number of patents: 25
Last date: August 12, 1997

NumberTitleIssue Date
5657346Transmission line driver test integrity circuit
The apparatus detects error in transceivers of individual modules connected to a communication network, the network being a two-line network. The apparatus comprises a reference voltage source to output a first and second reference voltage value in respon...
08/12/1997
5621220Apparatus for evaluating measuring values
An apparatus evaluates measuring values from a laminar material, wherein the laminar material is moving in a single plane in a predetermined direction, the laminar material being moved also being under test. The apparatus comprises a measuring platform wh...
04/15/1997
5611042Data error detection and correction for a shared SRAM
An apparatus for correcting errors in information read from a memory unit, comprises a first and second memory, where primary and backup information are stored in predetermined addressable locations. The primary information and the backup information in c...
03/11/1997
5598521Directly connected display of process control system in an open systems windows environment
In a display for a process control system, the display can be generated by one of two different sources, but is controlled by only one of them. A process control system network provides a first source of display, while a windowing system provides a second...
01/28/1997
5596147Coplanar pressure sensor mounting for remote sensor
A pressure transmitter comprises a first housing having a first and second diaphragm for receiving a first and second process fluid under a first and second pressure, respectively. The first and second diaphragm is deflected in response to the first and s...
01/21/1997
5576541Apparatus for measuring the basis weight
An apparatus for measuring the basis weight of a web-shaped material under test comprises a radioactive ଲ radiation source on one side of the material under test and a ଲ radiation detector on the other side of the material under test. For focu...
11/19/1996
5574638Method of optimal scaling of variables in a multivariable predictive controller utilizing range control
A process control system which includes at least one manipulated variable and at least one controlled variable, provides a method for robust control of a process. Predetermined constraints of the manipulated variables and the controlled variables, and the...
11/12/1996
5561599Method of incorporating independent feedforward control in a multivariable predictive controller
A process control system having a feedback controller, at least one manipulated variable and one controlled variable with a feedforward loop is provided. Independent feedforward control is incorporated into the feedback controller by defining a feedforwar...
10/01/1996
5530844Method of coupling open systems to a proprietary network
An interface provides a path to transfer data from a proprietary network to an open system. The proprietary network includes at least one module central processing unit (CPU) and a module memory associated therewith operatively connected to the proprietar...
06/25/1996
5499188Flexible method for building a recipe in a process control system
A process plant has a process control system and a plurality of production lines, each production line having a predetermined equipment configuration. The process control system further includes a controller for interfacing to each production line. The pr...
03/12/1996
5458432Unit tray hold down mechanism
The hold down apparatus securely engages a unit onto a tray. The tray includes an opening having a front block on the underside of the tray at the opening. The front block also includes a pin. The apparatus comprises a housing having an internal space and...
10/17/1995
4860280Apparatus and method for a secure and diagnosable antijabber communication circuit
In order to prevent `jabber`, the uncontrolled transmission of messages on a communication channel, an antijabber timing unit is frequently used to determine whether a message on the communication channel exceeds the maximum permitted length of time. The ...
08/22/1989
4841286Apparatus and method for detection of an open thermocouple in a process control network
In a process control network, apparatus and method for periodic testing of a thermocouple element includes a switching mechanism that inserts a circuit with known parameters in series with the thermocouple. Voltages levels with and without the inserted ci...
06/20/1989
4521851Central processor
A central processor for a general-purpose digital data processing system. The processor has a pair of caches, an operand cache for operands and an instruction cache for instructions, as well as a plurality of execution units, where each execution unit exe...
06/04/1985
4488001Intellectual properties protection device
A device for deciphering encoded information is disclosed which comprises logic elements which combine a key input to implement a predetermined set of boolean transformations thereby yielding a corresponding set of translation terms. The translation terms...
12/11/1984
4486855Activity detector usable with a serial data link
An activity detector device detects the presence or absence of information transmission over a serial data link between a computer system and a peripheral device. If a presence of a data signal exists as determined by the activity detector, the data signa...
12/04/1984
4477925Clipped speech-linear predictive coding speech processor
The present invention relates to a speech recognition system and the method therefor, which analyzes a sampled clipped speech signal for identifying a spoken utterance. An input signal representative of the spoken utterance is passed through a clipper to ...
10/16/1984
4408342Method for recognizing a machine encoded character
An optical character recognition system and method therefor is disclosed for reading a machine encoded character font, such as the E13B magnetic ink character (MICR) font. The digitized data of an optical scan band of the document to be read is read by an...
10/04/1983
4392226Multiple source clock encoded communications error detection circuit
This invention relates to an error detection circuit for detecting errors in a recovered clock signal from a self-clocking digital data signal. A first flip-flop is alternately set and reset by the recovered clock signal and by a clock source of supposedl...
07/05/1983
4355856Low insertion force connector using non-noble metal contact plating
An electrical connector permits the use of non-noble metals by providing mechanical advantage in obtaining high contact force with low insertion force. A pin is utilized as a cantilever beam to provide high contact force. A carrier, which is activated by ...
10/26/1982
4355398Real time clock recovery circuit
This invention relates to a real time clock recovery circuit. The clock recovery circuit requires three inputs, a bit serial data received input (BSD), a quarter bit delayed (QBT) and a three quarter bit delayed (TQBT) signal. The three inputs are derived...
10/19/1982
4305124Pipelined computer
A pipelined computer which executes high level language instructions is disclosed. The pipelined computer includes a memory for storing the high level language instructions therein. A plurality of microprogrammed digital computers are coupled in parallel ...
12/08/1981
4301379Latching Schmitt trigger circuit
A basic Schmitt trigger circuit is modified with additional circuit components for a two-input bistable circuit (latch). The latching Schmitt trigger circuit exhibits enhanced operating characteristics, such as fast and reliable switching between stable s...
11/17/1981
4291366Switching regulated power supply
A switching regulated power supply operates over a broad range of input voltage and frequency, and outputs direct current power for computer equipment and the like. The power supply can be paralleled with identical power supplies, thereby satisfying any p...
09/22/1981
4177455Electrically configurable high-low decoder
An electrically configurable decoder including selectively configurable combinations of a plurality of basic decode circuits. The electrically configurable decoder includes a plurality of mode selection inputs, a plurality of address inputs, a plurality o...
12/04/1979
 
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