Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio transceiver
Patent
1997-05-29
1998-01-27
Asch, Jeffrey
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Radio transceiver
1403
Patent
active
D03898296
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Asch Jeffrey
Volk David L.
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