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Robert M. Borger
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Overland, MO, US
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last 30 patents
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Patent Grant
Automatic ringback for direct current monitoring system
Patent number
4,282,517
Issue date
Aug 4, 1981
Potter Electric Signal Company
Stanley Wilson
G08 - SIGNALLING
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Patent Grant
Detecting loop digital interface circuitry
Patent number
4,218,677
Issue date
Aug 19, 1980
Potter Electric Signal Co.
Stanley Wilson
G08 - SIGNALLING