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Tim Funderburk
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Villa Park, IL, US
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last 30 patents
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Patent Grant
Multiport conference circuit with multi-frame summing and voice lev...
Patent number
4,274,155
Issue date
Jun 16, 1981
GTE Automatic Electric Laboratories Inc.
Tim Funderburk
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Multiport conference circuit with multi-frame summing
Patent number
4,257,120
Issue date
Mar 17, 1981
GTE Automatic Electric Laboratories Incorporated
Tim Funderburk
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiport conference circuit with voice level coding
Patent number
4,254,497
Issue date
Mar 3, 1981
GTE Automatic Electric Laboratories, Inc.
Tim Funderburk
H04 - ELECTRIC COMMUNICATION TECHNIQUE