The Law of Electrical Invention |
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alternating current anode anticipation apparatus Appeals considered audion battery Board of Appeals circuit breaker Circuit Court Cited claims coil combination condenser conductors connection considered an application construction construed Court held Court of Appeals Court of Customs Customs and Patent defendant device direct current disclosed disclosure District Court elec Electric and Mfg Electric Mfg electric motor electric switch electrical conductors electrode electrolyte equivalents fact filament filed frequency function heat held invalid improvement incandescent lamp inductance infringement insulation interference interference proceeding inventor involved machine magnetic material means mechanical skill ment metal method neon novelty old elements operation Patent Appeals Patent Office patentable invention plate prior art prior patent produce question reduction to practice rejected resistance result rule Second Circuit Court signal specification structure substantially substitution Supp telephone tion tric tube vacuum tube valid vention voltage want of invention welding Westinghouse Electric wire