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Gary A. Zevenbergen
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Arvada, CO, US
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Patents Grants
last 30 patents
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Patent Grant
Ground potential rise monitor
Patent number
8,223,031
Issue date
Jul 17, 2012
The United States of America as represented by the Department of Energy
Zachery Warren Allen
G01 - MEASURING TESTING
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Patent Grant
Ground potential rise monitor
Patent number
8,149,128
Issue date
Apr 3, 2012
The United States of America as represented by the United States Department o...
Zachery W. Allen
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
Ground Potential Rise Monitor
Publication number
20100231399
Publication date
Sep 16, 2010
Zachery W. Allen
G01 - MEASURING TESTING