Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio transceiver
Patent
1998-10-21
2000-03-28
Asch, Jeffrey
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Radio transceiver
1403
Patent
active
D0421983&
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Hasegawa Yutaka
Wicks James E.
Asch Jeffrey
Kananen Ronald P.
Sony Corporation
Sony Electronics Inc.
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