Handset telephone

Details Handset telephone Handset telephone

1987-12-10

1989-05-23

Fay, Jr., Horace B.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

379434, D14147

Patent

active

D03012328

REFERENCES:
patent: D61639 (1922-11-01), Christensen et al.
patent: D86130 (1932-02-01), Littwin
patent: D158146 (1950-04-01), Strayline
patent: D170475 (1953-09-01), Petry
patent: D175359 (1955-08-01), Mooney
patent: D290004 (1987-05-01), Kuo
patent: D291440 (1987-08-01), Yoshiharu
patent: D292323 (1987-10-01), Vandrilla
patent: 1196913 (1916-09-01), Weidlich
patent: 3434789 (1969-03-01), Haller
patent: 3760177 (1973-09-01), Levy

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