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You searched
:
Patents issued on Feb 27, 1990
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Check out Design Patents for Feb 27, 1990
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USRE33173
Envelope with pouch and method of manufacture thereof
- Feb 27, 1990
USRE33172
Process for magnetic image character recognition
- Feb 27, 1990
USRE33171
Hydraulic elevator
- Feb 27, 1990
USRE33170
Surgically implantable disconnect device
- Feb 27, 1990
US4905319
Superconducting device including a thin chromium film with negative susceptibility
- Feb 27, 1990
US4905318
Semiconductor hall element with magnetic powder in resin
- Feb 27, 1990
US4905317
Path memory control method in Viterbi decoder
- Feb 27, 1990
US4905316
Magnetic field generating system for magnetic resonance imaging system
- Feb 27, 1990
US4905315
Camera tracking movable transmitter apparatus
- Feb 27, 1990
US4905314
Semiconductor integrated circuit device having an object circuit to which output voltages of the sub- and main booster circuits are applied
- Feb 27, 1990
US4905313
Gas/liquid contact apparatus
- Feb 27, 1990
US4905312
Image logic operation device
- Feb 27, 1990
US4905311
Optical surface roughness measuring apparatus with polarization detection
- Feb 27, 1990
US4905310
Laser cutting and welding of sheet metal using a shield of compressed air
- Feb 27, 1990
US4905309
Optical remote control system
- Feb 27, 1990
US4905308
Noise parameter determination method
- Feb 27, 1990
US4905307
Synchronous receiver with direct mixing
- Feb 27, 1990
US4905306
Filter switching arrangement for a tuner
- Feb 27, 1990
US4905305
Method and apparatus for controlling the frequency of operation and at least one further variable operating parameter of a radio communications device
- Feb 27, 1990
US4905304
Mobile radio facility
- Feb 27, 1990
US4905303
Television audio signal converter
- Feb 27, 1990
US4905302
Trunked radio repeater system
- Feb 27, 1990
US4905301
Selective system scan for multizone radiotelephone subscriber units
- Feb 27, 1990
US4905300
Motor control and power systems and methods of operation thereof
- Feb 27, 1990
US4905299
Hold down bearing retainer
- Feb 27, 1990
US4905298
Resealable closure
- Feb 27, 1990
US4905297
Arithmetic coding encoder and decoder system
- Feb 27, 1990
US4905296
System for shape recognition
- Feb 27, 1990
US4905295
Code sequence matching method and apparatus
- Feb 27, 1990
US4905294
Image processing apparatus
- Feb 27, 1990
US4905293
Image input device
- Feb 27, 1990
US4905292
High probability of detection, low false alarm multisensor ATR
- Feb 27, 1990
US4905291
Cyberoptic audio level control system
- Feb 27, 1990
US4905290
Howling protective apparatus
- Feb 27, 1990
US4905289
Apparatus for the digital storage of audio signals employing read only memories
- Feb 27, 1990
US4905288
Method of data reduction in a speech recognition
- Feb 27, 1990
US4905287
Pattern recognition system
- Feb 27, 1990
US4905286
Noise compensation in speech recognition
- Feb 27, 1990
US4905285
Analysis arrangement based on a model of human neural responses
- Feb 27, 1990
US4905284
Audio system for vehicular applications
- Feb 27, 1990
US4905283
Surround decoder
- Feb 27, 1990
US4905282
Feature negotiation protocol and dynamically adjustable retraining sequence for a high speed half duplex modem
- Feb 27, 1990
US4905281
Security apparatus and method for computers connected to telephone circuits
- Feb 27, 1990
US4905280
High security videotext and videogame system
- Feb 27, 1990
US4905279
Learning-functionalized remote control receiver
- Feb 27, 1990
US4905278
Scrambling of analogue electrical signals
- Feb 27, 1990
US4905277
Method for enciphering and deciphering instructions in a microcomputer, and a microcomputer used for effecting same
- Feb 27, 1990
US4905276
Telephone earpiece extension attachment
- Feb 27, 1990
US4905275
Laminar type telephone protector block and interconnectable modular elements therefor
- Feb 27, 1990
US4905274
Key telephone management system
- Feb 27, 1990
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