Telephone station with an auxiliary unit

Details Telephone station with an auxiliary unit Telephone station with an auxiliary unit

1992-10-20

1994-03-29

Holtje, Nelson C.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

Patent

active

D03455580

REFERENCES:
patent: D293790 (1988-01-01), Hillmer
patent: D310524 (1990-09-01), Utsuki et al.
patent: D319056 (1991-08-01), Fuqua et al.
patent: D319642 (1991-09-01), Ando
patent: D320797 (1991-10-01), Kido et al.
patent: D321872 (1991-11-01), Ando
patent: D328076 (1992-07-01), Hagiwara
patent: D332786 (1993-01-01), Gagnon
Teleconnect, Jul. 1987, p. 145, ESCOM Telephone Set.

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