Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Patent
1994-06-29
1994-12-27
Douglas, Alan P.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Element or attachment
Patent
active
D03538214
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Hammer Michael D.
McKeown W. Glenn
Asch Jeffrey
Douglas Alan P.
Jackson James L.
Stik-a-Fone International Corporation
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