Rainer Opolka

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Solingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Flashlight
- Patent number D701339
- Issue date Mar 18, 2014
- Zweibrueder Optoelectronics GmbH & Co. KG
- Rainer Opolka
- D26 - Lighting
Information Patent Grant
Flashlight
- Patent number D701340
- Issue date Mar 18, 2014
- Zweibrueder Optoelectronics GmbH & Co. KG
- Rainer Opolka
- D26 - Lighting