Telephone answering machine

Details Telephone answering machine Telephone answering machine

1984-10-23

1987-09-29

Ansher, Bernard

Recording, communication, or information retrieval equipment

Computer, data processor equipment

D14 52, D14 1, D14 57

Patent

active

D02920905

REFERENCES:
patent: D218756 (1970-09-01), Federico
patent: D256689 (1980-09-01), McCain
patent: D274428 (1984-06-01), Bottner
patent: D284854 (1986-07-01), Vaillant
patent: 4426554 (1984-01-01), Jacobson
Radio Shack 1984 catalog, p. 101, top of page, Duofone TAD-215.
W. Bell & Co. 1983 catalog, p. 248, item A, Phone-Mate 3000.
Evans 1983-84 catalog, p. 307, item 5, Record-A-Call Telephone Answering Machine.

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