Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1981-08-20
1983-12-13
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D1402
Patent
active
D02717670
REFERENCES:
Computer Products, 6-1979, p. 21, Model 10 Smart Terminal Keyboard.
The Office, 6-1980, p. 112, A. B. Dick's Magna SL Word Processing System Keyboard.
Lucas Susan J.
Sharp Corporation
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