Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1983-03-29
1985-03-05
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D02778580
REFERENCES:
patent: D271298 (1983-11-01), Fujimoto
patent: 347553 (1982-02-01), Saito
patent: 4138703 (1979-02-01), Stave et al.
Kikuchi Katsutoshi
Takahashi Katsumasa
Eslinger Lewis H.
Lucas Susan J.
Sinderbrand Alvin
Sony Corporation
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