Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1982-09-30
1985-07-16
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D18 7
Patent
active
D02796767
REFERENCES:
patent: D251872 (1979-05-01), Schultz et al.
patent: D253947 (1980-01-01), Bellini
patent: D257146 (1980-09-01), Valestin
Computer Products, 6-1979, p. 1, Portable Send-Receive Terminals.
Datamation, 3-1976, p. 154, Terminal.
Lucas Susan J.
Sharp Corporation
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