Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1979-01-08
1981-10-06
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D1402
Patent
active
D02611384
REFERENCES:
patent: D198083 (1964-04-01), Smith et al.
patent: D201363 (1965-06-01), Michiels
patent: D204938 (1966-05-01), Loosen et al.
patent: D205661 (1966-09-01), Grossman
patent: D207168 (1967-03-01), Cheney
patent: D245158 (1977-07-01), Davis, Jr.
Datamation, 9-1977, p. 98, Magnetic Tape Unit.
Datamation, 9-1978, p. 230, Magnetic Tape Unit in Console.
Bee Richard E.
Bigel Mitchell S.
International Business Machines - Corporation
Jancin, Jr. J.
Lucas Susan J.
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