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COMDIAL CORPORATION
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SAN FRANCISCO, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Digital multitone generator for telephone dialing
Patent number
4,142,184
Issue date
Feb 27, 1979
Comdial Corporation
Don W. Lake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital multitone generator for telephone dialing
Patent number
4,058,805
Issue date
Nov 15, 1977
Comdial Corporation
Don W. Lake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Dynamic telephone configuration
Publication number
20050180555
Publication date
Aug 18, 2005
Comdial Corporation
S. Murad Sarp
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 trademarks