4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Speaker or housing therefor

David Lewis

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Adder circuitry for a programmable logic device

Electronic digital logic circuitry – Multifunctional or programmable – Array
Reexamination Certificate

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Air-heating gas burner

Heating – Heat generator heats gas or liquid material in a flow structure – Material heated by mixing with combustion products of generator
Patent

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Apparatus and method for the arithmetic over-ride of look up...

Electronic digital logic circuitry – Multifunctional or programmable – Having details of setting or programming of interconnections...
Reexamination Certificate

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Apparatus and methods for adjusting performance of...

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate

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Apparatus and methods for adjusting performance of...

Electronic digital logic circuitry – Multifunctional or programmable – Having details of setting or programming of interconnections...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-287858

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