Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent
1984-04-27
1987-08-04
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Computer, data processor equipment
D14100
Patent
active
D02911957
REFERENCES:
patent: D277963 (1985-03-01), Bousman
patent: D278707 (1985-05-01), Swinney
patent: 3794753 (1974-02-01), Hansen
patent: 4121051 (1978-10-01), Place
patent: 4179584 (1979-12-01), Tanimoto et al.
patent: 4215240 (1980-07-01), Ostrowski
Corvus System Brochure, Xerox Keyboard.
IBM 5520 Administrative System Brochure, 1982, Keyboard.
RCA Microcomputer Products Brochure, 3-1981, front cover-Keyboard.
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