Telephone unit

Recording – communication – or information retrieval equipment – Computer – data processor equipment

Patent

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Details

D14 58, D14 62, D14 60

Patent

active

D02850699

REFERENCES:
patent: D219224 (1970-11-01), Payne
patent: D231740 (1979-06-01), Wolf et al.
patent: D259419 (1981-06-01), Carter
patent: D261139 (1981-10-01), Jakobsen
patent: D264338 (1982-05-01), Sharp et al.
patent: D268181 (1983-03-01), Banko
patent: D276338 (1984-11-01), Pando
patent: D279981 (1985-08-01), Tsukamoto et al.
patent: D279982 (1985-08-01), Genaro et al.
patent: D280324 (1985-08-01), Endt
Digitel Monitor Brochure.
Electronic News Publication, Jul. 11, 1983 "See Vendor Race Shaping to Offer Muxes".

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