Jeffrey W. Mammen

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Farmington, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum fixture
- Patent number 5,978,741
- Issue date Nov 2, 1999
- David D. Elmore
- G01 - MEASURING TESTING
Information Patent Grant
Vector electricity meters and associated vector electricity meterin...
- Patent number 5,673,196
- Issue date Sep 30, 1997
- General Electric Company
- Mark E. Hoffman
- G01 - MEASURING TESTING