John T. Simpson

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Lake Elmo, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 9,404,637
- Issue date Aug 2, 2016
- 3M Innovative Properties Company
- Ellen O. Aeling
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20170254488
- Publication date Sep 7, 2017
- 3M Innovative Properties Company
- Ellen O. Aeling
- F21 - LIGHTING
Information Patent Application
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- Publication number 20140334127
- Publication date Nov 13, 2014
- Ellen O. Aeling
- F21 - LIGHTING