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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4209678 |
Pressure switch actuator |
Jun. 24, 1980 |
| 4209677 |
Precision snap switch with improved one piece contact support and terminal member |
Jun. 24, 1980 |
| 4209676 |
Compact racking mechanism for circuit breaker |
Jun. 24, 1980 |
| 4209675 |
Variable duration electric clock timer unit |
Jun. 24, 1980 |
| 4209674 |
Piano switch |
Jun. 24, 1980 |
| 4209673 |
Automatic disinfectant apparatus for telephone handset |
Jun. 24, 1980 |
| 4209672 |
Method and apparatus for measuring characteristics of a loudspeaker |
Jun. 24, 1980 |
| 4209671 |
Method and apparatus for testing the tip-ring polarity of telephone receptacles connected in par... |
Jun. 24, 1980 |
| 4209670 |
Moving-coil type pickup cartridge |
Jun. 24, 1980 |
| 4209669 |
Pick-up cartridge |
Jun. 24, 1980 |
| 4209668 |
Telephone having reiterative dialing feature |
Jun. 24, 1980 |
| 4209667 |
Subscriber drop-connected circuits |
Jun. 24, 1980 |
| 4209666 |
Multiplexing system line fault isolation and identification |
Jun. 24, 1980 |
| 4209665 |
Audio signal translation for loudspeaker and headphone sound reproduction |
Jun. 24, 1980 |
| 4209664 |
Carrier frequency sound transmission system |
Jun. 24, 1980 |
| 4209663 |
Drive-in theater audio system |
Jun. 24, 1980 |
| 4209662 |
Circuit arrangement for scanning the character elements of characters at arbitrarily determinabl... |
Jun. 24, 1980 |
| 4209661 |
Conductor clamping device |
Jun. 24, 1980 |
| 4209660 |
Out-of-sight service fittings |
Jun. 24, 1980 |
| 4209659 |
Vibration damper for overhead conductors |
Jun. 24, 1980 |
| 4209658 |
Method and apparatus for optimizing current leads carrying varying current |
Jun. 24, 1980 |
| 4209657 |
Apparatus for immersion-cooling superconductor |
Jun. 24, 1980 |
| 4209656 |
Sulfuric acid catalyzed alkylation process |
Jun. 24, 1980 |
| 4209655 |
Olefin isomerization using an extruded alumina paste supporting a platinum group metal catalyst |
Jun. 24, 1980 |
| 4209654 |
Recyclable boron trifluoride catalyst and method of using same |
Jun. 24, 1980 |
| 4209653 |
.alpha.-Olefin dimer isomerization using organo-halogens |
Jun. 24, 1980 |
| 4209652 |
Process for production of motor fuel and phthalate esters or acyclic alcohols |
Jun. 24, 1980 |
| 4209651 |
Hydrogenation of butadienepolyperoxide to unsaturated diols |
Jun. 24, 1980 |
| 4209650 |
Process for producing ethylene glycol |
Jun. 24, 1980 |
| 4209649 |
Novel oxyhydrocarbylnorbornane derivatives and perfumery uses thereof |
Jun. 24, 1980 |
| 4209648 |
Alkylated hydroquinone antioxidants |
Jun. 24, 1980 |
| 4209647 |
Fractionation of oil obtained by pyrolysis of lignocellulosic materials to recover a phenolic fr... |
Jun. 24, 1980 |
| 4209646 |
Process for crystallizing an adduct of 2,2-di(4-hydroxyphenyl) propane and phenol |
Jun. 24, 1980 |
| 4209645 |
2-Decarboxy-2-hydroxymethyl PGF.sub.2 .alpha.analogs |
Jun. 24, 1980 |
| 4209644 |
Allyl acetyl derivatives of .beta., .gamma.-unsaturated aldehyde |
Jun. 24, 1980 |
| 4209643 |
Preparation of acetals |
Jun. 24, 1980 |
| 4209642 |
Cyclopropylmethanol pesticide |
Jun. 24, 1980 |
| 4209641 |
Process for the production of polytetramethylene ether glycol |
Jun. 24, 1980 |
| 4209640 |
Catalysts for the oxidation of unsaturated aldehydes |
Jun. 24, 1980 |
| 4209639 |
13-Thia-prostaglandins |
Jun. 24, 1980 |
| 4209638 |
Preparation of therapeutic agents |
Jun. 24, 1980 |
| 4209637 |
2,2-Difluoro-PGF.sub.2 analogs |
Jun. 24, 1980 |
| 4209636 |
Preparation of ester derivatives of polycarboxylic acids |
Jun. 24, 1980 |
| 4209635 |
Process for producing perfluorinated vinyl ether having ester group |
Jun. 24, 1980 |
| 4209634 |
1.alpha.-Hydroxycalcioic acid and esters thereof |
Jun. 24, 1980 |
| 4209633 |
9-10 Ethanoanthracene derivatives |
Jun. 24, 1980 |
| 4209632 |
Sulfonyl carbazates |
Jun. 24, 1980 |
| 4209631 |
Process for the safe nitration of 2-methylimidazole |
Jun. 24, 1980 |
| 4209630 |
Hydantoin derivatives as therapeutic agents |
Jun. 24, 1980 |
| 4209629 |
3'-(Substituted phenyl)-spiro[isobenzofuran-1(3H),5'(4'H)-isoxazol]-3-ones |
Jun. 24, 1980 |
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