Elfi Janus

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Willich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Device that automatically tracks the position of the sun
- Patent number 7,202,457
- Issue date Apr 10, 2007
- Giselher Fengler
- Elfi Janus
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Device that automatically tracks the position of the sun
- Publication number 20060124827
- Publication date Jun 15, 2006
- Elfi Janus
- F24 - HEATING RANGES VENTILATING