Michael R. Groh

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Raleigh, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual illumination angle goniometric spectrophotometer
- Patent number 7,342,657
- Issue date Mar 11, 2008
- GretagMacbeth, LLC
- Robert H. Hart
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Dual illumination angle goniometric spectrophotometer
- Publication number 20060114465
- Publication date Jun 1, 2006
- GretagMacbeth, LLC
- Robert H. Hart
- G01 - MEASURING TESTING