Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1980-04-21
1983-02-22
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D1402
Patent
active
D02680297
REFERENCES:
patent: D230601 (1974-03-01), Cross et al.
patent: 3919528 (1975-11-01), Cooper et al.
Mini Micro Systems, 3-1978, p. 63, Coastal Data Services Data Collection Terminal.
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