Telephone

Details Telephone Telephone

1977-02-09

1978-06-27

Ansher, Bernard

Recording, communication, or information retrieval equipment

Computer, data processor equipment

D14 53, D1403

Patent

active

D02483009

REFERENCES:
patent: D225747 (1973-01-01), Haaheim et al.
patent: D232740 (1974-09-01), Takahashi et al.
patent: D236734 (1975-09-01), Daum
patent: D243961 (1977-04-01), Buchin et al.
Nippon Telegraph and Telephone Public Corporation, Published Jun. 25, 1976, 1976 Sales Handbook, Push Button Type Businessphone, Model 20.

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