Telephone set

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment

Patent

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Details

D14152

Patent

active

D03648664

REFERENCES:
patent: D41616 (1911-07-01), Dean
patent: D43173 (1912-10-01), West
patent: D52010 (1918-05-01), Forsberg
patent: D224911 (1972-10-01), Perkins
patent: D284762 (1986-07-01), Mo
patent: D291440 (1987-08-01), Yoshiharu
patent: D301232 (1989-05-01), Yoshiharu
patent: 859479 (1907-07-01), Blackburn
patent: 1100480 (1914-06-01), Haralson et al.
patent: 1353601 (1920-09-01), McQuarrie
B. A. Pargh 1985 Catalog, Spring/Summer, p. 238, T4101WH Candlestick:Tone.

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