David E. Groe

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Oakwood Hills, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for emission testing
- Patent number 4,881,183
- Issue date Nov 14, 1989
- Sun Electric Corporation
- David E. Groe
- G01 - MEASURING TESTING
Information Patent Grant
Plural source arbitration system
- Patent number 4,872,004
- Issue date Oct 3, 1989
- Sun Electric Corporation
- Karl R. Bahnick
- G06 - COMPUTING CALCULATING COUNTING