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Steven R. Coffelt
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Ventura, CA, US
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last 30 patents
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Patent Grant
Mechanism for controlling operation of telephone metallic loop meas...
Patent number
5,440,610
Issue date
Aug 8, 1995
Harris Corporation
Onofrio Schillaci
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
D channel monitor
Patent number
4,965,795
Issue date
Oct 23, 1990
Harris Corporation
Steven R. Coffelt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ISDN traffic generator adapter
Patent number
4,910,729
Issue date
Mar 20, 1990
Harris Corporation
Steven R. Coffelt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Test set communication/interface system
Patent number
4,707,848
Issue date
Nov 17, 1987
Harris Corporation
Thomas W. Durston
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Direct access test unit for central office
Patent number
4,670,898
Issue date
Jun 2, 1987
Harris Corporation
Ben A. Pierce
H04 - ELECTRIC COMMUNICATION TECHNIQUE