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Gary Rogers
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Blue Bell, PA, US
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last 30 patents
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Patent Grant
Passive ranging system utilizing range tone signals
Patent number
5,173,690
Issue date
Dec 22, 1992
VIZ Manufacturing Company
Maurice Friedman
G01 - MEASURING TESTING
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Patent Grant
Passive ranging system for radiosondes
Patent number
5,107,261
Issue date
Apr 21, 1992
VIZ Manufacturing Company
Maurice Friedman
G01 - MEASURING TESTING