Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1989-10-23
1991-12-10
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03222497
REFERENCES:
patent: D286788 (1986-11-01), Koppens
patent: D291093 (1987-07-01), Wang
patent: D294365 (1988-02-01), Nishibori et al.
patent: D305646 (1990-01-01), Kato et al.
patent: D305647 (1990-01-01), Kato et al.
patent: 4691886 (1987-09-01), Wendling et al.
Acciaioli John V.
Dalmas, Jr. Joseph A.
Hennings Roy
Kusel Richard D.
Lentz James L.
Burke Wallace R.
International Business Machines - Corporation
Julian H. St.
Nunn Freda S.
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