Telephone instrument

Details Telephone instrument Telephone instrument

1978-04-26

1981-05-19

Ansher, Bernard

Recording, communication, or information retrieval equipment

Computer, data processor equipment

D14 59, D14 60, 179100D, 179179, D1403

Patent

active

D02592606

REFERENCES:
patent: D202787 (1965-11-01), Dreyfuss et al.
patent: D215664 (1969-10-01), Dreyfuss et al.
patent: D224933 (1972-10-01), Guldstrand
patent: D227477 (1973-06-01), Stahel
patent: 3073911 (1963-01-01), Mattke et al.
patent: 3584157 (1971-06-01), Prescott

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