Telephone answering unit

Details Telephone answering unit Telephone answering unit

1985-09-23

1988-01-19

Burke, Wallace R.

Recording, communication, or information retrieval equipment

Computer, data processor equipment

D14 52, D14 60

Patent

active

D02937808

REFERENCES:
patent: D227784 (1973-07-01), Janda et al.
patent: D238585 (1976-01-01), Derwood
patent: D262207 (1981-12-01), Kaczkos
patent: D266162 (1982-09-01), Martinez
patent: D267007 (1982-11-01), Chiou
patent: D279372 (1985-06-01), Baba et al.
patent: D282655 (1986-02-01), Kaker et al.
patent: D283614 (1986-04-01), Somaschini
patent: D284368 (1986-06-01), Stonsbury, Jr.
patent: D285554 (1986-09-01), Beaumont et al.
patent: D286404 (1986-10-01), Skigen et al.

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