Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1983-01-21
1985-10-01
Zarfas, Louis S.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D18 7
Patent
active
D02808196
REFERENCES:
patent: D250430 (1978-11-01), Nishiguchi
patent: D255246 (1980-06-01), Yoshioka et al.
patent: D261273 (1981-10-01), Sakai et al.
patent: D267879 (1983-02-01), Kelly et al.
Akiyama Kunio
Nishibori Hiroshi
Sharp Corporation
Zarfas Louis S,.
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