Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1983-10-28
1986-07-01
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D02844745
REFERENCES:
patent: D222883 (1972-01-01), Levow et al.
patent: D275857 (1984-10-01), Moraine
patent: 4339632 (1982-07-01), Early et al.
patent: 4497036 (1985-01-01), Dunn
Computer Design, 11-1980, p. 88, Teltone Corp. M-101-Coupler.
Computer Design, 3-1981, p. 209, Telcon Indus. Inc. Ambassador III Portable Terminal.
Grid Systems Corp. Brochure .COPYRGT.1982, Compass Computer.TM. Portable Computer.
Lucas Susan J.
Sharp Corporation
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