Ralf Biertuempel

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Mainz, DE

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Patents Grantslast 30 patents

Information Patent Grant
Optical lens soft-focus effect
- Patent number 7,139,133
- Issue date Nov 21, 2006
- Schott AG
- Ralf Bonitz
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Optical lens soft-focus effect
- Publication number 20050200976
- Publication date Sep 15, 2005
- Ralf Bonitz
- G02 - OPTICS