4. Electrical transmission or interconnection systems
  5. Switching systems
  6. Plural switches

Edward M. Sich

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Electret microphone shield

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent

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Electrical circuit on porcelain coated metal substrates

Electrical transmission or interconnection systems – Switching systems – Plural switches
Patent

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Enhanced wideband transceiver

Telecommunications – Transmitter and receiver at separate stations – With control signal
Reexamination Certificate

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Telephone circuit

Patent

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Profile ID: LFUS-PAI-P-633091

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