Steven B. Kelley

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Brownwood, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Retroreflective sheeting with controlled cap-Y
- Patent number 7,329,447
- Issue date Feb 12, 2008
- 3M Innovative Properties Company
- Dennis J. Chirhart
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
FORMATION OF RETROREFLECTIVE SHEETING WITH CONTROLLED CAP-Y
- Publication number 20070048501
- Publication date Mar 1, 2007
- 3M Innovative Properties Company
- Dennis J. Chirhart
- G02 - OPTICS
Information Patent Application
Retroreflective sheeting with controlled cap-Y
- Publication number 20050221042
- Publication date Oct 6, 2005
- 3M Innovative Properties Company
- Dennis J. Chirhart
- G02 - OPTICS