Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1985-09-23
1986-10-07
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D13 12
Patent
active
D02860457
REFERENCES:
patent: 190234 (1961-05-01), Mono
patent: 221002 (1971-06-01), Bachmann
patent: D228350 (1973-09-01), Yoshida et al.
patent: D230404 (1974-02-01), Jimbo
patent: 236008 (1975-07-01), Wixon
patent: 247566 (1978-03-01), Jensen
patent: 266425 (1982-10-01), Reaume
patent: D278435 (1985-04-01), Hikawa
patent: 3657722 (1972-04-01), Givens et al.
Newman Computer Exchange Catalog, Summer, 1978, p. 33, Casio MQ2 Calculator (Computer Box).
McGarvey John N.
Prince Terry B.
Wild Ronald L.
Zambelli Michael P.
AT&T Information System Inc.
Lucas Susan J.
Morra M. A.
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