Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Patent
1992-07-17
1995-05-23
Douglas, Alan P.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Element or attachment
Patent
active
D03585948
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Asch Jeffrey
Douglas Alan P.
Jaeger Hugh D.
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