Northern Telecom / BNR
PDF 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 October 30th 1985 Wall Mount Base Patent.pdf
08 October 30th 1985 Handset Patent.pdf
09 March 4th 1986 Telephone Set Base.pdf
10 March 4th 1986 Telephone Handset.pdf
11 March 4th 1986 Handset Mounting Alternate.pdf
12 June 16th 1986 Telephone Handset.pdf
13 June 17th 1986 Telephone Set Base.pdf