Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1987-09-25
1990-02-06
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03058824
REFERENCES:
patent: D222471 (1971-10-01), Shebanow et al.
patent: D225411 (1972-12-01), Chaffee
patent: 3706874 (1972-12-01), Lockard
patent: 3801776 (1974-04-01), Goeppinger et al.
patent: 3947666 (1976-03-01), Carlson
patent: 4277689 (1981-07-01), Thomas et al.
patent: 4396902 (1983-08-01), Warthan et al.
MAGTEK, Sep. 11, 1986 p. 2, Reader MT-211, Computer Box "Scanners".
Kato Shuzo
Nakamura Yasushi
Hawk Jr. Wilbert
Lucas Susan J.
Muckenthaler George J.
NCR Corporation
Nunn Freda S.
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