Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1992-11-09
1994-06-21
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03480526
REFERENCES:
patent: D295175 (1988-04-01), Long
patent: D305643 (1990-01-01), Stark et al.
patent: D309052 (1990-07-01), Feger et al.
patent: D334178 (1993-03-01), Learney
patent: 4684791 (1987-08-01), Bito
patent: 5175416 (1992-12-01), Mansvelt et al.
Burke Wallace R.
Nunn Freda S.
Pittenger James E.
U.S. Wireless Data, Inc.
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