Telephone

Details Telephone Telephone

1982-10-21

1985-07-30

Gandy, James M.

Recording, communication, or information retrieval equipment

Computer, data processor equipment

D14 59, D14 62, D14 58

Patent

active

D02798948

REFERENCES:
patent: D189580 (1961-01-01), Cannon
patent: D242928 (1977-01-01), Buchin
patent: D244469 (1977-05-01), Buchin
patent: D250956 (1979-01-01), Yoshikawa
patent: D254067 (1980-01-01), Janda
patent: D258283 (1981-02-01), Stoddard
patent: D258288 (1981-01-01), Aikawa et al.
patent: D262879 (1982-02-01), Marshall
patent: D263589 (1982-03-01), Road
patent: D268579 (1983-04-01), Marshall
Telephony, 9-8-80, Showing of FIG. 1A Vital 2 Phone Set on p. 100, also p. 102.
Standard Telephone Set, Diavox 200, vol. 57, Ericsson Review #2 (1980), on last page of Branden et al., article on p. 46.

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