H - Electricity – 04 – M
Patent
H - Electricity
04
M
379/26
H04M 1/26 (2006.01) H04M 1/56 (2006.01)
Patent
CA 1236942
ABSTRACT VARIABLE COLOUR DISPLAY TELEPHONE A telephone with variable colour display visually presents dialed telephone number in a colour variable in accordance with the type of a telephone call, e. g, internal, external, local, long distance, and the like.
531834
Moffat & Co.
Texas Digital Systems Inc.
LandOfFree
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