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United States Utility Patents
4,994,690 - 4,994,699

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NumberTitle
4,994,690 Split level bus
4,994,691 TTL-to-CML translator circuit
4,994,692 Quantizer system
4,994,693 Second order active filters
4,994,694 Complementary composite PNP transistor
4,994,695 Synchronous delay line with quadrature clock phases
4,994,696 Turn-on/off driving technique for insulated gate thyristor
4,994,697 Stator terminal board
4,994,698 Vibratory linear motor system
4,994,699 Drain cover for yoke of dynamic electric machine



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