Rainer Opolka

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Solingen, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Flashlight that can be focused
- Patent number 9,086,195
- Issue date Jul 21, 2015
- Zweibrueder Optoelectronics GmbH & Co. KG
- Rainer Opolka
- F21 - LIGHTING