Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1983-10-27
1986-10-07
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D02860465
REFERENCES:
patent: D270911 (1983-10-01), Endt
patent: D272624 (1984-02-01), Genaro et al.
Compucorp.RTM. 700 Series Information Processors Brochure .COPYRGT.1982, p. 2, Keyboard.
Computer Design, 1-1981, back cover, Ramtek Keyboard.
Siemens Communication Systems, Inc. Ad, 11-1982, Keyboard.
Lucas Susan J.
Telefonaktiebolaget LM Ericsson
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