Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1991-09-25
1993-10-05
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03400328
REFERENCES:
patent: D298251 (1988-10-01), Kato et al.
patent: D304720 (1989-11-01), Ashe et al.
patent: D307893 (1990-05-01), Kato et al.
patent: D311181 (1990-10-01), Miyazawa
patent: D330022 (1992-10-01), Chen
patent: 4639813 (1987-01-01), Uno
patent: 4787006 (1988-11-01), Iizuka et al.
Burke Wallace R.
Eslinger Lewis H.
Maioli Jay H.
Sony Corporation
Tung M. H.
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