Telephone set

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

Patent

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Details

D14149, D14151

Patent

active

D03043355

REFERENCES:
patent: D249644 (1989-01-01), Ohta et al.
patent: D283708 (1986-05-01), Tamura
patent: D284962 (1986-08-01), Hova
patent: D286531 (1986-11-01), Lee
patent: D292580 (1987-11-01), Wang
patent: D292703 (1987-11-01), Tragatsching
patent: D292919 (1987-11-01), Lagerbielke et al.
patent: D299645 (1989-01-01), Ohta et al.
Spiegel Catalog 1987; at p. 467 Wall Talk Speakerphone, Models C5310.
Spiegel Catalog 1988: at p. 489; Chit Chat Phone Model C53-881.

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