Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio transceiver
Patent
1992-06-05
1993-09-14
Douglas, Alan P.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Radio transceiver
Patent
active
D03393364
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Asch Jeffrey
Dailey Kirk W.
Douglas Alan P.
Fisher John A.
Hackbart Rolland R.
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