Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1984-07-23
1988-05-24
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D02958511
REFERENCES:
patent: D280409 (1985-09-01), Yamada
patent: 4381500 (1983-04-01), Urata et al.
Byte, 9-1983, p. 34, Sharp PC-1500, Pocket Computer.
Harlan Jeffrey L.
Harlan Kenneth H.
DaRin Edward J.
Lucas Susan J.
Personal Integrated Computer
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