Variable color display telephone
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United States of America Patent
Stats
-
Feb 16, 1988
Grant Date -
N/A
app pub date -
Mar 14, 1986
filing date -
Mar 14, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A telephone with variable color display visually presents dialed telephone number in a color variable in accordance with the type of a telephone call, e.g, internal, external, local, long distance, and the like.
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Cited Art Landscape
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