Telephone network interface module

Details Telephone network interface module Telephone network interface module

1991-07-22

1994-05-24

Holtje, Nelson C.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Element or attachment

D14256

Patent

active

D03472299

REFERENCES:
patent: D287583 (1987-01-01), Smith et al.
patent: D297136 (1988-08-01), Collins et al.
patent: D304339 (1989-10-01), Collins et al.
patent: D312460 (1990-11-01), Smith
patent: D313417 (1991-01-01), Graham et al.
patent: D320796 (1991-10-01), Smith
patent: 4729059 (1988-03-01), Wang
patent: 4732919 (1988-02-01), Crane
patent: 4749359 (1988-06-01), White
patent: 4800588 (1989-01-01), Poster, Jr.
patent: 4850014 (1989-07-01), Gillis et al.
Kedtel Advertisement, .COPYRGT.1987, article shown at top of page.
T11 Advertisement, T11 3400 Telephone network interface.

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