NT – BNR Alpha Series Telephone Patents

Northern Telecom / BNRPDF Patent Files For The Alpha Telephones 01 January 31st 1983 Disclosure of Invention.pdf 02 June 6th 1983 Disclosure of Invention.pdf 03 December 9th 1983 Industrial Design 51828.pdf 04 December 9th 1983 Industrial Design 51829.pdf 05 December 9th 1983 Industrial Design 51830.pdf 06 December 9th 1983 Industrial Design 51831.pdf 07 December 9th […]

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