Frank Sroka

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Transformer and lamp base element, lamp base, and discharge lamp ha...
- Patent number 8,742,663
- Issue date Jun 3, 2014
- OSRAM Gesellschaft mit beschraenkter Haftung
- Frank Sroka
- F21 - LIGHTING
Information Patent Grant
High-pressure discharge lamp and illumination apparatus having a hi...
- Patent number 7,453,213
- Issue date Nov 18, 2008
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Stefan Hackenbuchner
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
TRANSFORMER AND LAMP BASE ELEMENT, LAMP BASE, AND DISCHARGE LAMP HA...
- Publication number 20110115374
- Publication date May 19, 2011
- OSRAM Gesellschaft mit beschraenkter Haftung
- Frank Sroka
- F21 - LIGHTING
Information Patent Application
High-pressure discharge lamp and illumination apparatus having a hi...
- Publication number 20060119282
- Publication date Jun 8, 2006
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Stefan Hackenbuchner
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...