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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4894528 |
Laser beam lawn tennis net referee |
Jan. 16, 1990 |
| 4894527 |
Light dependent resistor digital control circuit |
Jan. 16, 1990 |
| 4894526 |
Infrared-radiation detector device |
Jan. 16, 1990 |
| 4894525 |
Optical power control device for semiconductor light emitting element |
Jan. 16, 1990 |
| 4894524 |
Laser recording apparatus with laser intensity control |
Jan. 16, 1990 |
| 4894523 |
Instant portable bar code reader |
Jan. 16, 1990 |
| 4894522 |
Interface apparatus |
Jan. 16, 1990 |
| 4894521 |
Electric heating element for fusing thermoplastic materials |
Jan. 16, 1990 |
| 4894520 |
Circuit for controlling power dissipated by an electrical resistance |
Jan. 16, 1990 |
| 4894519 |
Electric cooker unit and electric cooking apparatus provided with it |
Jan. 16, 1990 |
| 4894518 |
Toaster oven with initial temperature compensation and sensor check |
Jan. 16, 1990 |
| 4894517 |
Shrinking apparatus |
Jan. 16, 1990 |
| 4894516 |
Electrical storage heaters |
Jan. 16, 1990 |
| 4894515 |
Hot plate for cooking |
Jan. 16, 1990 |
| 4894514 |
Heated transparency with malfunction detection means |
Jan. 16, 1990 |
| 4894513 |
Heatable windshield temperature control |
Jan. 16, 1990 |
| 4894512 |
Method and device for underwater electrical welding |
Jan. 16, 1990 |
| 4894511 |
Source of high flux energetic atoms |
Jan. 16, 1990 |
| 4894510 |
Apparatus for uniformly distributing plasma over a substrate |
Jan. 16, 1990 |
| 4894509 |
Laser assisted heater bar for multiple lead attachment |
Jan. 16, 1990 |
| 4894508 |
Welder control system |
Jan. 16, 1990 |
| 4894507 |
Welding device |
Jan. 16, 1990 |
| 4894506 |
Method and apparatus for reflow soldering of electrical component leads, including floating heat... |
Jan. 16, 1990 |
| 4894505 |
Modified rotating reusable preform |
Jan. 16, 1990 |
| 4894504 |
Method apparatus for generating multiple sparks for an electrical discharge wire cutting machine |
Jan. 16, 1990 |
| 4894503 |
Packages materials for shielded food containers used in microwave ovens |
Jan. 16, 1990 |
| 4894502 |
Automatic cooking control system for a microwave oven |
Jan. 16, 1990 |
| 4894501 |
Method and apparatus for induction heating of gear teeth |
Jan. 16, 1990 |
| 4894500 |
Rotary selector switch |
Jan. 16, 1990 |
| 4894499 |
Electric push-button switch |
Jan. 16, 1990 |
| 4894498 |
Push button switch having radial leads |
Jan. 16, 1990 |
| 4894497 |
High temperature pressure switch assembly for use with explosion-proof enclosures |
Jan. 16, 1990 |
| 4894496 |
Auxiliary winding cut-out switch for sump pump motor |
Jan. 16, 1990 |
| 4894495 |
Watertight electrical contact units |
Jan. 16, 1990 |
| 4894494 |
Pulse generator |
Jan. 16, 1990 |
| 4894493 |
Membrane touch control panel assembly for an appliance with a glass control panel |
Jan. 16, 1990 |
| 4894492 |
Motor control variable speed reversing switch |
Jan. 16, 1990 |
| 4894491 |
Cable cover assembly |
Jan. 16, 1990 |
| 4894490 |
High tension cable and method of manufacture thereof |
Jan. 16, 1990 |
| 4894489 |
Electromagnetic shield-type doorway for buildings and electromagnetic shielding system therefor |
Jan. 16, 1990 |
| 4894488 |
High frequency signal cable with improved electrical dissipation factor and method of producing ... |
Jan. 16, 1990 |
| 4894487 |
Preparation process of 4-(4-hydroxyphenyl)-cyclohexanol |
Jan. 16, 1990 |
| 4894486 |
Stabilizer for bisphenols and process of using same |
Jan. 16, 1990 |
| 4894485 |
Alkaline earth metal salts of ether carboxylic acids as alkoxylation catalysts |
Jan. 16, 1990 |
| 4894484 |
Pyrolysis of perfluoropolyethers |
Jan. 16, 1990 |
| 4894483 |
Preparation of vinylglyoxal derivatives, novel vinylglyoxal derivatives and their use |
Jan. 16, 1990 |
| 4894482 |
Process for drying hydrogen fluoride-carboxylic acid mixtures |
Jan. 16, 1990 |
| 4894481 |
Method of making cyclic aryl chlorophosphites |
Jan. 16, 1990 |
| 4894480 |
Phenyl substituted-2,4,6,8-nonatetraenoic acid |
Jan. 16, 1990 |
| 4894479 |
Herbicidal diphenyl ethers |
Jan. 16, 1990 |
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