Frank Friess

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Otterstadt, DE

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Patents Applicationslast 30 patents

Information Patent Application
Light Source And Method For Mechanically Stabilizing The Filament O...
- Publication number 20080036382
- Publication date Feb 14, 2008
- Gerhard K. Wolf
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Incandescent lamp having a carbide containing luminous element
- Publication number 20080024061
- Publication date Jan 31, 2008
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Axel Bunk
- H01 - BASIC ELECTRIC ELEMENTS