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Charles P. Shelton
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McKinney, TX, US
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last 30 patents
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Patent Grant
Apparatus and method for virtual private telephone line with automa...
Patent number
5,577,113
Issue date
Nov 19, 1996
DSC Communications Corporation
Paul M. Bray
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Apparatus and method for virtual private telephone line with automa...
Patent number
5,487,110
Issue date
Jan 23, 1996
DSC Communications Corporation
Paul M. Bray
H04 - ELECTRIC COMMUNICATION TECHNIQUE