Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1983-11-30
1986-07-08
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D02845741
REFERENCES:
patent: D186316 (1959-10-01), Flanders
patent: D202554 (1965-10-01), Meunier
patent: D237977 (1975-12-01), Isaacs
patent: D278339 (1985-04-01), Caven
patent: D278709 (1985-05-01), Xanthopoulus
Computer Design, 4-1981, p. 54, Cybernex Limited Keyboard.
Computer Design, 4-1981, p. 179, Ontel Corp. Keyboard.
International Telephone & Telegraph Corp.
Lucas Susan J.
May J. M.
Peterson T. L.
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