Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Patent
1999-03-01
2000-01-11
Zarfas, Louis S.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Element or attachment
1403
Patent
active
D04188411
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Erickson Stephen
Saslow Seymour
Andoll Gregory
Espey Mfg & Electronics Corp.
Zarfas Louis S,.
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