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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4021661 |
Submarine optical communication system with fiber optic depth compensator |
May. 3, 1977 |
| 4021660 |
Light fixture |
May. 3, 1977 |
| 4021659 |
Projector lamp reflector |
May. 3, 1977 |
| 4021658 |
Angular rate deriving apparatus |
May. 3, 1977 |
| 4021657 |
Surface elastic wave memory correlator |
May. 3, 1977 |
| 4021656 |
Data input for electronic calculator or digital processor chip |
May. 3, 1977 |
| 4021655 |
Oversized data detection hardware for data processors which store data at variable length destin... |
May. 3, 1977 |
| 4021654 |
Digital filter |
May. 3, 1977 |
| 4021653 |
Digital programmable tone detector |
May. 3, 1977 |
| 4021652 |
Incrementally adjustable digital attenuator/amplifier |
May. 3, 1977 |
| 4021651 |
Programmed manipulator |
May. 3, 1977 |
| 4021650 |
Velocity command signal generating apparatus |
May. 3, 1977 |
| 4021649 |
Data compositing and array control system |
May. 3, 1977 |
| 4021648 |
Function generator and application thereof |
May. 3, 1977 |
| 4021647 |
Electronic monitoring device for power press brakes and similar devices |
May. 3, 1977 |
| 4021646 |
Up/down counter with a tracking 5/6 input circuit |
May. 3, 1977 |
| 4021645 |
Method and apparatus for determining whether an electronic taximeter is in proper working order |
May. 3, 1977 |
| 4021644 |
Circuit for monitoring the sequence of events at a cashier checkout center |
May. 3, 1977 |
| 4021643 |
Immersion heater for aquariums |
May. 3, 1977 |
| 4021642 |
Oven exhaust system for range with solid cooktop |
May. 3, 1977 |
| 4021641 |
Radiant fuser for fixing toner images |
May. 3, 1977 |
| 4021640 |
Insulated glove construction |
May. 3, 1977 |
| 4021639 |
Device for use in installing wax foundations in bee frames |
May. 3, 1977 |
| 4021638 |
Method and apparatus for the destruction of an upper portion of a structure |
May. 3, 1977 |
| 4021637 |
Flux-cored wires for electrogas welding |
May. 3, 1977 |
| 4021636 |
Beam current control device for a technical corpuscular beam apparatus |
May. 3, 1977 |
| 4021635 |
Apparatus for controlling tool feed mechanism on an EDM machine |
May. 3, 1977 |
| 4021634 |
Mesh welding machine |
May. 3, 1977 |
| 4021633 |
Persistent current switch including electrodes forming parallel conductive and superconductive p... |
May. 3, 1977 |
| 4021632 |
Circuit breaker contact arm and attachment means |
May. 3, 1977 |
| 4021631 |
Electrical header device |
May. 3, 1977 |
| 4021630 |
Hermetically sealed resilient contact switch having surgical applications |
May. 3, 1977 |
| 4021629 |
Arc electrode, especially for a contact arrangement in a vacuum switch |
May. 3, 1977 |
| 4021628 |
Vacuum fault current limiter |
May. 3, 1977 |
| 4021627 |
Self-cleaning electrical contact for gages |
May. 3, 1977 |
| 4021626 |
Mechanical light switch timer |
May. 3, 1977 |
| 4021625 |
Instruments and methods for measuring characteristics of only a selected portion of a transmissi... |
May. 3, 1977 |
| 4021624 |
Automatic call generator |
May. 3, 1977 |
| 4021623 |
Automatic H-register clear for prevention of erroneous convolution in digital adaptive echo canc... |
May. 3, 1977 |
| 4021622 |
Nonlocking key telephone set |
May. 3, 1977 |
| 4021621 |
Automatic group exclusion circuit for a key telephone system |
May. 3, 1977 |
| 4021620 |
Multifrequency signal receiver with digital tone receiver |
May. 3, 1977 |
| 4021619 |
Improved digital telephone and switching system employing time division multiplex pulse code mod... |
May. 3, 1977 |
| 4021618 |
Intra link calling within a subscriber digital system |
May. 3, 1977 |
| 4021617 |
Telephone ringer isolator |
May. 3, 1977 |
| 4021616 |
Interpolating rate multiplier |
May. 3, 1977 |
| 4021615 |
Apparatus for conserving energy in a building |
May. 3, 1977 |
| 4021614 |
Woofer equalizer |
May. 3, 1977 |
| 4021613 |
Audio information modifying apparatus |
May. 3, 1977 |
| 4021612 |
Decoder apparatus applicable to matrix 4-channel systems of different types |
May. 3, 1977 |
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