Telephone

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

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D03746674

REFERENCES:
patent: D297137 (1988-08-01), Richter et al.
patent: D311191 (1990-10-01), Ando
patent: D311399 (1990-10-01), Ando
patent: D319235 (1991-08-01), Sato
patent: D319443 (1991-08-01), Fuqua et al.
patent: D339583 (1983-09-01), Taniguchi
patent: D346384 (1994-04-01), Ford et al.
patent: D346385 (1994-04-01), Wetzel et al.
patent: 3941951 (1976-03-01), Engstrom et al.
patent: 4790007 (1988-12-01), Richter et al.
patent: 5121427 (1992-06-01), Gumb et al.
B. A. Pargh, 1992 Spring/Summer Catalog, Ascom 2-Line Voiceprint, p. 328.

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