Telephone set

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

Patent

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Details

D14248, D14142

Patent

active

D03324508

REFERENCES:
patent: D294249 (1988-02-01), Hyvonen
patent: D294568 (1988-03-01), Endt
patent: D298935 (1988-12-01), Buchin
patent: D300824 (1989-04-01), Okuda et al.
patent: D319235 (1991-08-01), Sato
patent: D319826 (1991-09-01), Hung
patent: D320985 (1991-10-01), Danielson et al.
patent: D324682 (1992-03-01), Renard et al.
patent: 4736411 (1988-04-01), Chan
patent: 4860336 (1989-08-01), D'Avello et al.
Hong Kong Enterprise Jun. 91, p. 237: Item 621 Telephone Answering System; Lighted Key Dial.

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