John Fei

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 7,147,358
- Issue date Dec 12, 2006
- 3M Innovative Properties Company
- Anthony J. Freking
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20050146881
- Publication date Jul 7, 2005
- Anthony J. Freking
- G02 - OPTICS