Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1986-08-14
1989-07-25
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03024288
REFERENCES:
patent: D227769 (1973-07-01), Yamamoto
patent: D250260 (1978-11-01), Inatomi
patent: D270637 (1983-09-01), Fukushima et al.
patent: D278060 (1985-03-01), Kitai
patent: D278341 (1985-04-01), Scheid
patent: D278908 (1985-05-01), Scheid et al.
patent: D282662 (1986-02-01), Scheid et al.
patent: D289649 (1987-05-01), Jablonski
patent: D298536 (1988-11-01), Brefka
Xerox Corporation 1983, p. 1-The Xerox 1800 Portable Computer System.
Carson W. Scott
Geomation, Inc.
Lucas Susan J.
Nunn Freda S.
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