Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1993-11-29
1994-11-01
Douglas, Alan P.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D14149
Patent
active
D03520323
REFERENCES:
patent: D259421 (1981-06-01), Janda
patent: D278434 (1985-04-01), Nestell
patent: D286150 (1986-10-01), Cooke et al.
patent: D308054 (1990-05-01), Desbarats
patent: D339341 (1993-09-01), Allen
patent: D340906 (1993-11-01), Nagele et al.
patent: D341572 (1993-11-01), Kuroki
patent: D345974 (1994-04-01), Biskup et al.
patent: D347222 (1994-05-01), Hino et al.
Asch Jeffrey
Austin R. J.
Douglas Alan P.
Northern Telecom Limited
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