Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Patent
1991-12-19
1993-07-06
Pfeffer, Terry A.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Element or attachment
Patent
active
D03371204
REFERENCES:
patent: D291196 (1987-08-01), Ito et al.
patent: D309455 (1990-07-01), Staley
patent: D325204 (1992-04-01), Ito et al.
patent: D325580 (1992-04-01), Ito et al.
Ampex Systems Corporation
Pfeffer Terry A.
Roddy Richard J.
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