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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4910500 |
Electronic cattle group system |
Mar. 20, 1990 |
| 4910499 |
Tag and method of making same |
Mar. 20, 1990 |
| 4910498 |
Swimming pool safety alarm |
Mar. 20, 1990 |
| 4910497 |
Closure alarm for containment chambers for dangerous materials |
Mar. 20, 1990 |
| 4910496 |
Direction indicating flasher device for vehicles with filament failure indication |
Mar. 20, 1990 |
| 4910495 |
Dipstick with automatic warning device |
Mar. 20, 1990 |
| 4910494 |
Automotive vehicle control system |
Mar. 20, 1990 |
| 4910493 |
Security systems |
Mar. 20, 1990 |
| 4910492 |
Electric laminar resistor and method of making same |
Mar. 20, 1990 |
| 4910491 |
Electrical apparatus used with a potentiometer and/or variable resistance element |
Mar. 20, 1990 |
| 4910490 |
End terminal seal for an electric fuse |
Mar. 20, 1990 |
| 4910489 |
Gas tube fail-safe device for telephone protector modules |
Mar. 20, 1990 |
| 4910488 |
Rotary variable differential transformer with eccentric rotor core |
Mar. 20, 1990 |
| 4910487 |
Bistable magnet |
Mar. 20, 1990 |
| 4910486 |
Electromagnetic drive actuator |
Mar. 20, 1990 |
| 4910485 |
Multiple circuit breaker with double break rotary contact |
Mar. 20, 1990 |
| 4910484 |
Electromagnetic relay having silencing effect |
Mar. 20, 1990 |
| 4910483 |
Acoustic surface wave filter device with asymmetric transducers and method of manufacturing same |
Mar. 20, 1990 |
| 4910482 |
AC line filter |
Mar. 20, 1990 |
| 4910481 |
Branching filter |
Mar. 20, 1990 |
| 4910480 |
Hierarchical current amplifier |
Mar. 20, 1990 |
| 4910479 |
Automatic gain control device for use in an optical memory device |
Mar. 20, 1990 |
| 4910478 |
Amplifier circuit and method of controlling output power thereof |
Mar. 20, 1990 |
| 4910477 |
Bridge-type linear amplifier with wide dynamic range and high efficiency |
Mar. 20, 1990 |
| 4910476 |
High-frequency amplifier with automatic neutrodyning circuit |
Mar. 20, 1990 |
| 4910475 |
Pole grouping for stepping motor |
Mar. 20, 1990 |
| 4910474 |
Method and apparatus for generating phase and amplitude modulated signals |
Mar. 20, 1990 |
| 4910473 |
Digitally temperature-compensated oscillator |
Mar. 20, 1990 |
| 4910472 |
Multivibrator circuit employing field effect devices |
Mar. 20, 1990 |
| 4910471 |
CMOS ring oscillator having frequency independent of supply voltage |
Mar. 20, 1990 |
| 4910470 |
Digital automatic frequency control of pure sine waves |
Mar. 20, 1990 |
| 4910469 |
Demodulator for sampled data FM signals |
Mar. 20, 1990 |
| 4910468 |
Dual polarization demodulation with cross polarization cancellation |
Mar. 20, 1990 |
| 4910467 |
Method and apparatus for decoding a quadrature modulated signal |
Mar. 20, 1990 |
| 4910466 |
Selecting means for selecting a plurality of information |
Mar. 20, 1990 |
| 4910465 |
Phase detector |
Mar. 20, 1990 |
| 4910464 |
Proximity detector |
Mar. 20, 1990 |
| 4910463 |
Halogen monitoring apparatus |
Mar. 20, 1990 |
| 4910462 |
Etched Z-axis gradient coils for NMR system |
Mar. 20, 1990 |
| 4910461 |
Magnetic resonance imaging apparatus including an interference-poor r.f. coil |
Mar. 20, 1990 |
| 4910460 |
Method and apparatus for mapping eddy currents in magnetic resonance imaging |
Mar. 20, 1990 |
| 4910459 |
Magnetic tile sensor with a non-magnetic case having a flange and a cover cold welded thereon |
Mar. 20, 1990 |
| 4910458 |
Electro-optic sampling system with dedicated electro-optic crystal and removable sample carrier |
Mar. 20, 1990 |
| 4910457 |
Water resistance load system |
Mar. 20, 1990 |
| 4910456 |
Electronic watt-hour meter with combined multiplier/integrator circuit |
Mar. 20, 1990 |
| 4910455 |
Non-intrusive current measuring circuit |
Mar. 20, 1990 |
| 4910454 |
System for electrical signal sampling with ultrashort optical pulses |
Mar. 20, 1990 |
| 4910453 |
Multi-probe grouping system with nonlinear error correction |
Mar. 20, 1990 |
| 4910452 |
High frequency AC magnetic devices with high efficiency |
Mar. 20, 1990 |
| 4910451 |
Voltage regulator for generator of an automobile |
Mar. 20, 1990 |
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