Touch-pad for a telephone

Details Touch-pad for a telephone Touch-pad for a telephone

1979-01-02

1981-09-22

Ansher, Bernard

Recording, communication, or information retrieval equipment

Computer, data processor equipment

D14 59, D1403

Patent

active

D02608898

REFERENCES:
patent: 3720938 (1973-03-01), Leposavic
patent: 3731014 (1973-05-01), Brady
patent: 3760137 (1973-09-01), Shimojo et al.
patent: 3886012 (1975-05-01), Slater
Design News Brochure, 8/8/1977, p. 3, Membrane Telephone Switch.

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