Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1983-03-22
1985-12-17
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D18 7
Patent
active
D02817810
REFERENCES:
patent: D253947 (1980-01-01), Bellini
patent: D258664 (1981-03-01), Bellini
patent: D259348 (1981-05-01), Sakai et al.
"Thomson-Brandt"
Greigg Edwin E.
Lucas Susan J.
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