Telephone

Details Telephone Telephone

1985-05-06

1987-05-05

Burke, Wallace R.

Recording, communication, or information retrieval equipment

Computer, data processor equipment

D14 62, D14 63

Patent

active

D02896400

REFERENCES:
patent: D81562 (1930-07-01), Vassos
patent: D109123 (1938-04-01), Bregman
patent: D109123 (1938-04-01), Bregman
patent: D189823 (1961-02-01), Olsson et al.
patent: D197467 (1964-02-01), Peterson
patent: D263589 (1982-03-01), Read
patent: D270910 (1983-10-01), Morse
patent: D275005 (1984-08-01), Genaro et al.
patent: 3769744 (1973-11-01), Sloane et al.
patent: 4335280 (1982-06-01), Butehko
Telephony, 4/7/82: at p. 14: Telart Elettronica, S.P.A., Italy; "PUPON" model top of ad.

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