1980’s Handsets and Bases Patents

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Northern Telecom / BNRPDF Patent Files For 1980’s Handsets and Bases 01 July 22nd 1980 Telephone Base Patent.pdf 02 July 22nd 1980 Telephone Handset Patent.pdf 03 March 16th 1982 Telecommunications Terminal.pdf 04 November 21st 1983 Handset Mounting Alternate.pdf 05 April 1st 1985 Telecommunications Instrument Base Patent.pdf 06 June 10th 1985 Telephone Set Base Patent.pdf 07 […]

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