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You searched :Patents issued on Dec 03, 1991.

Check out Design Patents for Dec 03, 1991

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USRE33761

Ricinoleate plasticizers for polyurethane compositions - Dec 03, 1991

USRE33760

High purity, high temperature pipe thread sealant paste - Dec 03, 1991

USRE33759

Aqueous systems containing silanes for rendering masonry surfaces water repellant - Dec 03, 1991

USRE33758

Closure panel pull down mechanism - Dec 03, 1991

USRE33757

Diamond drill bit with varied cutting elements - Dec 03, 1991

USRE33756

Pile carpet trimmer - Dec 03, 1991

US5070539

Washable mug with self-contained sound system - Dec 03, 1991

US5070538

Wide band domino effect high voltage regulator - Dec 03, 1991

US5070537

System for detecting defective point on power transmission line by utilizing satellite - Dec 03, 1991

US5070536

Mobile radio data communication system and method - Dec 03, 1991

US5070535

Transcutaneous power and signal transmission system and methods for increased signal transmission efficiency - Dec 03, 1991

US5070534

Simplified CAD parametric macroinstruction capability including variational geometrics feature - Dec 03, 1991

US5070533

Robust electrical heating systems for mineral wells - Dec 03, 1991

US5070532

Method for encoding color images - Dec 03, 1991

US5070531

Method of and means for processing image data - Dec 03, 1991

US5070530

Electroacoustic transducers with increased magnetic stability for distortion reduction - Dec 03, 1991

US5070529

Apparatus for sequential interconnection of electrical circuit boards - Dec 03, 1991

US5070528

Generic encryption technique for communication networks - Dec 03, 1991

US5070527

Time dependant, variable amplitude threshold output circuit for frequency variant and frequency invarient signal discrimination - Dec 03, 1991

US5070526

Signal analyzing system - Dec 03, 1991

US5070525

Method for avoiding call blocking - Dec 03, 1991

US5070524

Telephone system - Dec 03, 1991

US5070523

Private automatic business exchange - Dec 03, 1991

US5070522

Combined signal and power distribution system - Dec 03, 1991

US5070521

Method and apparatus for call source identification - Dec 03, 1991

US5070520

X-Ray machine assembly including table cover and method - Dec 03, 1991

US5070519

Selective equalization radiography - Dec 03, 1991

US5070518

Coin counting control apparatus for a vending machine - Dec 03, 1991

US5070517

Method and circuit for retuning the frequency of a frequency source - Dec 03, 1991

US5070516

Method and apparatus for reducing noise on a signal encodable on a plurality of predetermined levels - Dec 03, 1991

US5070515

Method and apparatus for processing digital signal - Dec 03, 1991

US5070514

Method and apparatus for clearing data path in half duplex modem receiver while maintaining dynamic parameters - Dec 03, 1991

US5070513

Transverse discharge excited laser head with three electrodes - Dec 03, 1991

US5070512

Interference fit laser disk - Dec 03, 1991

US5070511

Laser arrangement having at least one laser resonator and a passive resonator coupled thereto - Dec 03, 1991

US5070510

Semiconductor laser device - Dec 03, 1991

US5070509

Surface emitting, low threshold (SELTH) laser diode - Dec 03, 1991

US5070508

Semiconductor laser with adjustable light beam - Dec 03, 1991

US5070507

Three micron laser - Dec 03, 1991

US5070506

Halide laser glass and laser device utilizing the glass - Dec 03, 1991

US5070505

Self-doubling micro-laser - Dec 03, 1991

US5070504

Method and apparatus for providing error correction to symbol level codes - Dec 03, 1991

US5070503

Digital information transmitting and receiving system - Dec 03, 1991

US5070502

Defect tolerant set associative cache - Dec 03, 1991

US5070501

Token passing type slotted loop network system with means for enabling high speed access control and simple frame slot stripping - Dec 03, 1991

US5070500

Memory package system utilizing inductive coupling between memory module and read/write unit - Dec 03, 1991

US5070499

Communication system interface module for use within a communication system network - Dec 03, 1991

US5070498

Call control system in ATM switch - Dec 03, 1991

US5070497

Transmission network with switchable network nodes - Dec 03, 1991

US5070496

Laser reproducing apparatus - Dec 03, 1991

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