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

David R. Levine

Inventor

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Audio speaker housing

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Design Patent

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Audio testing system

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Instruments and devices for fault testing
Reexamination Certificate

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Digital signal processor with bit FIFO

Electrical computers and digital processing systems: processing – Instruction alignment
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2062481

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