Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1982-06-10
1985-02-19
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D02776731
REFERENCES:
patent: D218436 (1970-08-01), Morgan et al.
patent: D227256 (1973-06-01), Conway et al.
patent: D227772 (1973-07-01), Carroll et al.
Infosystems, 5-1980, p. 61, Burroughs Word Processor.
Lanier.RTM. Super No Problem.TM. Typewriter Brochure.COPYRGT. 1981, Word Processor.
Campbell Kenneth S.
Dayton Douglas C.
Dresselhaus William F.
Twyman Clive R.
Apple Computer Inc.
Lucas Susan J.
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