Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1985-02-26
1987-08-18
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D02914433
REFERENCES:
patent: D227997 (1973-07-01), Marsalka
patent: 4488201 (1984-12-01), Webb et al.
Byte, 9-1983, p. 471, LMC Microcomputer.
Computer Design, 3-1981, p. 228, Practical Technology Logic Analysis Display Formatter.
Computer Design, 4-1981, p. 263, Universal Data Systems Modem.
Pedinielli Gilbert
Richelet Daniel
Frisone John B.
International Business Machines Corp.
Lucas Susan J.
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