Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1992-04-10
1994-07-05
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03484432
REFERENCES:
patent: D308051 (1990-05-01), Sakai
patent: D334182 (1993-03-01), Mizusugi et al.
patent: D336638 (1993-06-01), Shibuya et al.
Sapper Richard F.
Shima Hisashi
Yamazaki Kazuhiko
Burke Wallace R.
International Business Machines Corp.
McKinley Martin J.
Nunn Freda S.
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