Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1992-06-04
1994-08-09
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03494926
REFERENCES:
patent: D310020 (1990-08-01), Fujioka
patent: D337503 (1993-07-01), Sifers et al.
patent: D340720 (1993-10-01), Yoder
patent: D342005 (1993-12-01), Forsberg
patent: D342241 (1993-12-01), Ashmun et al.
patent: 4760986 (1988-08-01), Harrison
patent: 4997154 (1991-03-01), Little
Burke Wallace R.
Tung M. T.
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