Key telephone set

Details Key telephone set Key telephone set

1985-01-18

1988-05-03

Gandy, James M.

Recording, communication, or information retrieval equipment

Computer, data processor equipment

D14 62, D14 53

Patent

active

D02955148

REFERENCES:
patent: D237625 (1975-11-01), Wolfe et al.
patent: D246650 (1977-12-01), Perol-Hernandez
patent: D270836 (1983-10-01), Breger
patent: D276338 (1984-11-01), Pardo
patent: D277663 (1985-02-01), Sakamoto et al.
patent: D280404 (1985-09-01), Inaba
patent: D282841 (1986-04-01), Inaba
patent: D284188 (1986-06-01), Kondo et al.
patent: D285304 (1986-08-01), Inaba
patent: D286284 (1986-10-01), Sasaki et al.
patent: D286530 (1986-11-01), Sasaki et al.
Model S-1P loudspeaker phone: phone at p. 489; PTO-1979.
Brochure re Nitsuko Elect. key phone system: "Grouphone"E-II series; 4 pages.

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