Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1983-09-19
1986-08-05
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D18 7
Patent
active
D02849666
REFERENCES:
patent: D254005 (1980-01-01), Reid et al.
patent: 3273894 (1966-09-01), Clawson
patent: 4264962 (1981-04-01), Kodaira
Home Furnishings Daily, 6-2-1975, p. 18, Sharp Electronics Foldable Calculator.
Computer Bibles International, Inc.
Helzer Charles W.
Lucas Susan J.
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