Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1989-12-19
1992-08-04
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03284573
REFERENCES:
patent: D297938 (1988-10-01), Hara
patent: D311182 (1990-10-01), Nash et al.
patent: D315900 (1991-04-01), Iwata
patent: 4994930 (1991-02-01), Uehara
patent: 5043974 (1991-08-01), Nakagawa
Burke Wallace R.
Eslinger Lewis H.
Maioli Jay H.
Nunn Freda S.
Sony Corporation
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