Stephen J. Dreyer

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North St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Light directing film and method for making the same
- Patent number 10,197,713
- Issue date Feb 5, 2019
- 3M Innovative Properties Company
- Alan B. Campbell
- G02 - OPTICS
Information Patent Grant
Light directing film and method for making the same
- Patent number 9,810,817
- Issue date Nov 7, 2017
- 3M Innovative Properties Company
- Alan B. Campbell
- G02 - OPTICS
Information Patent Grant
Test method for determining microstructure deformation resistance o...
- Patent number 7,716,999
- Issue date May 18, 2010
- 3M Innovative Properties Company
- Adam H. Hesselroth
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
LIGHT DIRECTING FILM AND METHOD FOR MAKING THE SAME
- Publication number 20180059294
- Publication date Mar 1, 2018
- 3M Innovative Properties Company
- Alan B. Campbell
- G02 - OPTICS
Information Patent Application
LIGHT DIRECTING FILM AND METHOD FOR MAKING THE SAME
- Publication number 20110199697
- Publication date Aug 18, 2011
- 3M INNOVATIVE PROPERTIES COMPANY
- Alan B. Campbell
- G02 - OPTICS
Information Patent Application
TEST METHOD FOR DETERMINING MICROSTRUCTURE DEFORMATION RESISTANCE O...
- Publication number 20090107261
- Publication date Apr 30, 2009
- Adam H. Hesselroth
- G01 - MEASURING TESTING