Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1991-10-21
1993-09-21
Douglas, Alan P.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03395804
REFERENCES:
patent: D277480 (1985-02-01), Jackwicz et al.
patent: D291936 (1987-09-01), Long
patent: D302273 (1989-07-01), Adachi et al.
patent: D303439 (1989-09-01), Savio et al.
patent: D303448 (1989-09-01), Noda et al.
patent: D304190 (1989-10-01), Rose
patent: D304725 (1989-11-01), Rose
patent: 3996450 (1976-12-01), Kerkhoff
patent: 4754126 (1988-06-01), Caldwell
Asch Jeffrey
British Telecommunications Public Ltd.Co.
Douglas Alan P.
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