Telephone set

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

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Patent

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D02996456

REFERENCES:
patent: D211472 (1968-06-01), Dreyfuss
patent: D283708 (1986-05-01), Tamura
patent: D284003 (1986-05-01), Tamura
patent: D284857 (1986-07-01), Brignole
patent: D286531 (1986-11-01), Lee
patent: D286774 (1986-11-01), Geis
patent: D287245 (1986-12-01), Todeschini
patent: D292798 (1987-11-01), Wu
patent: D293572 (1988-01-01), Buchin
patent: D294824 (1988-03-01), Lin
NEC telephone catalog showing models T-3100PD and T-3100MF, published 1985.
Tamagawa telephone catalog showing model HT-250 and sold under the trademark "HONEY FONE", published 1985.

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