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You searched :Patents issued on May 23, 1989.

Check out Design Patents for May 23, 1989

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USRE32929

Deformable label - May 23, 1989

USRE32928

Process and material for manufacturing semiconductor devices - May 23, 1989

USRE32927

Resealable container closure - May 23, 1989

USRE32926

Vehicle body-and-frame alignment apparatus - May 23, 1989

US4833728

Automatic station searcher - May 23, 1989

US4833727

Remote-controlled receiver arrangement using a modulated carrier - May 23, 1989

US4833726

Helmet with two-way radio communication faculty - May 23, 1989

US4833725

Unintentional radio transmission detection system - May 23, 1989

US4833724

Imaging device - May 23, 1989

US4833723

Image processing method for the removal of spot defects and apparatus therefor - May 23, 1989

US4833722

Apparatus and methods for locating edges and document boundaries in video scan lines - May 23, 1989

US4833721

Image processing apparatus - May 23, 1989

US4833720

Encoding system capable of use with an optical scanner and serving as a man-machine interface language - May 23, 1989

US4833719

Method and apparatus for attentuating external origin noise reaching the eardrum, and for improving intelligibility of electro-acoustic communications - May 23, 1989

US4833718

Compression of stored waveforms for artificial speech - May 23, 1989

US4833717

Voice spectrum analyzing system and method - May 23, 1989

US4833716

Speech waveform analyzer and a method to display phoneme information - May 23, 1989

US4833715

FM stereo receiver - May 23, 1989

US4833714

Speech recognition apparatus - May 23, 1989

US4833713

Voice recognition system - May 23, 1989

US4833712

Automatic generation of simple Markov model stunted baseforms for words in a vocabulary - May 23, 1989

US4833711

Speech recognition system with generation of logarithmic values of feature parameters - May 23, 1989

US4833710

Pay television system - May 23, 1989

US4833709

Remote telephone signaling circuitry and device - May 23, 1989

US4833708

Remote cable pair cross-connect system - May 23, 1989

US4833707

Telephone lock unit - May 23, 1989

US4833706

Ensemble modem structure for imperfect transmission media - May 23, 1989

US4833705

Data communication apparatus - May 23, 1989

US4833704

Automatic telephone answering and recording device with automatic two-way conversation recording function controlled by off/on hook detector - May 23, 1989

US4833703

On-hook control circuit for answering machine - May 23, 1989

US4833702

Telephone registration and cancellation control in a wide area cordless telephone system - May 23, 1989

US4833701

Trunked communication system with nationwide roaming capability - May 23, 1989

US4833700

Mobile phone interface - May 23, 1989

US4833699

X-ray film positioner - May 23, 1989

US4833698

Apparatus for three dimensional tomography utilizing an electro-optic x-ray detector - May 23, 1989

US4833697

Writing instrument for electronic counting and gravity switch reset - May 23, 1989

US4833696

System for controlling operation mode of modulator/demodulator - May 23, 1989

US4833695

Apparatus for skew compensating signals - May 23, 1989

US4833694

Signal receiver - May 23, 1989

US4833693

Coded modulation system using interleaving for decision-feedback equalization - May 23, 1989

US4833692

Non-linear amplifier for digital network - May 23, 1989

US4833691

Line equalizer - May 23, 1989

US4833690

Remote eye pattern display for digital modems - May 23, 1989

US4833689

Electronic clinical thermometer - May 23, 1989

US4833688

Two-phase flow quality measuring device - May 23, 1989

US4833687

Distributed feedback semiconductor laser - May 23, 1989

US4833686

Electrodes for transversely excited gas lasers - May 23, 1989

US4833685

Laser cavity optically pumped and having a carrying tube - May 23, 1989

US4833684

Distributed feedback laser with anti-reflection layer - May 23, 1989

US4833683

Coherent coupling of optical gain elements - May 23, 1989

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