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Glenn F. Engen
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Boulder, CO, US
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last 30 patents
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Patent Grant
Six-port measuring circuit
Patent number
4,104,583
Issue date
Aug 1, 1978
The United States of America as represented by the Secretary of Commerce
Glenn F. Engen
G01 - MEASURING TESTING
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Patent Grant
Vector voltmeter
Patent number
4,001,681
Issue date
Jan 4, 1977
The United States of America as represented by the Secretary of the Air Force
Cletus A. Hoer
G01 - MEASURING TESTING