Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1992-08-03
1995-01-24
Nunn, Freda S.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03547400
REFERENCES:
patent: D302266 (1989-07-01), Kelly et al.
patent: D306579 (1990-03-01), Hara et al.
patent: D312074 (1990-11-01), Koepke et al.
patent: D338659 (1993-08-01), Clark et al.
patent: D343612 (1994-01-01), Dalgetty et al.
IBM PS/1 Computer Apr. 1990-Computer pamphlet showing a computer system unit p. IV.
Jasinski Joseph E.
Sapper Richard F.
International Business Machines Corp.
Letson Laurence R.
Nunn Freda S.
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