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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4211911 |
Microwave directional coupler and detector module |
Jul. 8, 1980 |
| 4211910 |
High frequency heating apparatus with improved door arrangement |
Jul. 8, 1980 |
| 4211909 |
Combination microwave and gas oven |
Jul. 8, 1980 |
| 4211908 |
Apparatus for high frequency discharge shaping of a workpiece by means of a rectangular bipolar ... |
Jul. 8, 1980 |
| 4211907 |
Setting mechanism with detent steps for tripping devices of electrical switch gear |
Jul. 8, 1980 |
| 4211906 |
Rotary actuating device for low-voltage circuit breakers with toggle lever |
Jul. 8, 1980 |
| 4211905 |
Slide switch assembly for mounting in a panel |
Jul. 8, 1980 |
| 4211904 |
Gas-blast circuit breaker |
Jul. 8, 1980 |
| 4211903 |
Electromagnetic puffer type gas circuit breaker |
Jul. 8, 1980 |
| 4211902 |
Apparatus for phase switching in pumping-up power station |
Jul. 8, 1980 |
| 4211901 |
Pressure sensing switch with conductive deflectable diaphragm |
Jul. 8, 1980 |
| 4211900 |
Slide switch with shorting contact |
Jul. 8, 1980 |
| 4211899 |
Circuit arrangement for an indirectly controlled exchange, in particular a telephone exchange |
Jul. 8, 1980 |
| 4211898 |
Headphone with two resonant peaks for simulating loudspeaker reproduction |
Jul. 8, 1980 |
| 4211897 |
Multifrequency signal receiving system |
Jul. 8, 1980 |
| 4211896 |
Subscriber's circuit with a symmetrical amplifier |
Jul. 8, 1980 |
| 4211895 |
Electronic telephone system with time division multiplexed signalling |
Jul. 8, 1980 |
| 4211894 |
Transmitter multiplexing system for a land mobile communication system |
Jul. 8, 1980 |
| 4211893 |
Dual mode music instrument amplifier |
Jul. 8, 1980 |
| 4211892 |
Synthetic-speech calculators |
Jul. 8, 1980 |
| 4211891 |
Method for setting code text generators in ciphering devices |
Jul. 8, 1980 |
| 4211890 |
Electronic circuit boards |
Jul. 8, 1980 |
| 4211889 |
Thermoelectric module |
Jul. 8, 1980 |
| 4211888 |
Arrangement with several thermal elements in series connection |
Jul. 8, 1980 |
| 4211887 |
Electrical furnace, zones balanced with a symmetrically tapped transformer |
Jul. 8, 1980 |
| 4211886 |
Manufacture of benzene, toluene and xylene |
Jul. 8, 1980 |
| 4211885 |
High octane gasoline components from catalytic cracking gasoline, propylene, and isobutane by di... |
Jul. 8, 1980 |
| 4211884 |
2-Decarboxy-2-hydroxymethyl-3,7-inter-m-phenylene-13,14-didehydro-PGF compounds |
Jul. 8, 1980 |
| 4211883 |
Process for the production of p-(N-methyl)-aminobenzoyl-L-glutamic acid |
Jul. 8, 1980 |
| 4211882 |
Process for producing terephthalic acid |
Jul. 8, 1980 |
| 4211881 |
Preparation of phthalic acid by single step continuous air oxidation of liquid ortho-xylene |
Jul. 8, 1980 |
| 4211880 |
Resin-metal compound complex |
Jul. 8, 1980 |
| 4211879 |
Esters of prostacyclin-type compounds |
Jul. 8, 1980 |
| 4211878 |
Alkanolamine derivatives |
Jul. 8, 1980 |
| 4211877 |
Method of preparation of isopropyl 4,10-dihydro-10-oxothieno[3,2-c][1]benzoxepin-8-acetate |
Jul. 8, 1980 |
| 4211876 |
3-Pyrazolidinone carboxamides |
Jul. 8, 1980 |
| 4211875 |
Preparation of 4-methyl-5-chloromethyl-imidazole |
Jul. 8, 1980 |
| 4211874 |
Continuous process for the manufacture of dinitroglycolurile |
Jul. 8, 1980 |
| 4211873 |
Preparation of chloromethylpyridines |
Jul. 8, 1980 |
| 4211872 |
Substituted furopyridinones and furopyrazinones |
Jul. 8, 1980 |
| 4211871 |
Heavy metal derivatives of mercaptopyridine-1-oxide |
Jul. 8, 1980 |
| 4211870 |
Preparation of substituted 2-aminopyrazines |
Jul. 8, 1980 |
| 4211869 |
Process for the preparation of tetrachloropyrimidine |
Jul. 8, 1980 |
| 4211868 |
Process for making a fluoroelastomer gelling agent preparation of 1,3,5-tris-(3,3-difluoro-2-pro... |
Jul. 8, 1980 |
| 4211867 |
Nitrogen heterocyclic carboximidamide compounds |
Jul. 8, 1980 |
| 4211866 |
Acyl derivatives of 2-[3-(2-chloroethyl)-3-nitrosoureido]-2-deoxy-D-glucopyranose |
Jul. 8, 1980 |
| 4211865 |
Novel prostaglandin precursors in polymeric form |
Jul. 8, 1980 |
| 4211864 |
Daunorubicin and doxorubicin labelled with .sup.14 C at the 14-position and processes for their ... |
Jul. 8, 1980 |
| 4211863 |
Polymer slurry catalyst residue deactivation |
Jul. 8, 1980 |
| 4211862 |
Block polymers of hydroquinone di-(.beta.-hydroxyalkyl) ethers or isomers thereof and tetrahydro... |
Jul. 8, 1980 |
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