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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4075440 |
Automatic communication system reconfiguration apparatus |
Feb. 21, 1978 |
| 4075439 |
Method for providing temporary telephone service |
Feb. 21, 1978 |
| 4075438 |
Stereo speaker system |
Feb. 21, 1978 |
| 4075437 |
Composition, processing and devices including magnetic alloy |
Feb. 21, 1978 |
| 4075436 |
Cassette central dictation system |
Feb. 21, 1978 |
| 4075435 |
Method and apparatus for automatic dictation playback control |
Feb. 21, 1978 |
| 4075434 |
Key telephone privacy exclusion apparatus |
Feb. 21, 1978 |
| 4075433 |
Signal switching device |
Feb. 21, 1978 |
| 4075432 |
Telephone concentrator |
Feb. 21, 1978 |
| 4075431 |
Speech path system |
Feb. 21, 1978 |
| 4075430 |
Line signalling over common highway for telecommunications system |
Feb. 21, 1978 |
| 4075429 |
Transmultiplexer |
Feb. 21, 1978 |
| 4075428 |
Device for providing phase synchronism of a transit station in a digital telecommunication netwo... |
Feb. 21, 1978 |
| 4075427 |
System for phase division multiplex duplex communication over a two-wire circuit between a maste... |
Feb. 21, 1978 |
| 4075426 |
Parallel silent communicator |
Feb. 21, 1978 |
| 4075425 |
Multi-directional sound signal reproducing system |
Feb. 21, 1978 |
| 4075424 |
Speech synthesizing apparatus |
Feb. 21, 1978 |
| 4075423 |
Sound analyzing apparatus |
Feb. 21, 1978 |
| 4075422 |
Automatic page selectors |
Feb. 21, 1978 |
| 4075421 |
Direct current cable with resistivity graded insulation, and a method of transmitting direct cur... |
Feb. 21, 1978 |
| 4075420 |
Cover layer for flexible circuits |
Feb. 21, 1978 |
| 4075419 |
Bridging tape over lap seam cable shield |
Feb. 21, 1978 |
| 4075418 |
Stereophonic pickup cartridge |
Feb. 21, 1978 |
| 4075417 |
Crimped, insulation piercing electrical connection |
Feb. 21, 1978 |
| 4075416 |
Electronic thin film circuit unit and method of making the same |
Feb. 21, 1978 |
| 4075415 |
Tube with terminal end cap |
Feb. 21, 1978 |
| 4075414 |
Apparatus for regulating the immersion depth of electrodes in electrode-melting furnaces |
Feb. 21, 1978 |
| 4075413 |
Process for preparation of diacetoxybutene |
Feb. 21, 1978 |
| 4075412 |
Processes for preparation of diacyloxy olefins |
Feb. 21, 1978 |
| 4075411 |
Vinyl-polymerizable surfactive monomers |
Feb. 21, 1978 |
| 4075409 |
Benzophenone derivatives |
Feb. 21, 1978 |
| 4075408 |
Imidazopyrazolodiazepine compounds |
Feb. 21, 1978 |
| 4075407 |
Heterocyclic phosphonium salts |
Feb. 21, 1978 |
| 4075406 |
Process for making xylose |
Feb. 21, 1978 |
| 4075405 |
.beta.-1,3-Glucan derivatives |
Feb. 21, 1978 |
| 4075404 |
Copolymers of alpha-methylstyrene and styrene and uses thereof |
Feb. 21, 1978 |
| 4075403 |
Phenolic resin and battery separator impregnated therewith |
Feb. 21, 1978 |
| 4075402 |
Apparatus for holding battery |
Feb. 21, 1978 |
| 4075401 |
Gas-discharging passage of storage battery and molding method thereof |
Feb. 21, 1978 |
| 4075400 |
Over temperature battery deactivation system |
Feb. 21, 1978 |
| 4075399 |
Battery vent seal |
Feb. 21, 1978 |
| 4075398 |
Means of providing pressure relief to sealed galvanic cell |
Feb. 21, 1978 |
| 4075397 |
Cell having chalcogenide cathode and solvated alkali metal salt electrolyte |
Feb. 21, 1978 |
| 4075396 |
Method and device for feeding a fuel cell with a fluid reactant |
Feb. 21, 1978 |
| 4075395 |
Hybrid framework consisting of metallic plate and projections made of synthetic resin |
Feb. 21, 1978 |
| 4075394 |
Process of inhibiting tannin migration in tannin-containing wood substrates |
Feb. 21, 1978 |
| 4075393 |
Modified triglyceride metal working lubricants |
Feb. 21, 1978 |
| 4075392 |
Alloy-coated ferrous metal substrate |
Feb. 21, 1978 |
| 4075391 |
Production of ferrite electrostatographic carrier materials having improved properties |
Feb. 21, 1978 |
| 4075390 |
Fusing surface and method for fixing toner |
Feb. 21, 1978 |
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