Jens Cardinal

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Dortmund, DE

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Patents Grantslast 30 patents

Information Patent Grant
Electrochrome glazing
- Patent number 6,369,935
- Issue date Apr 9, 2002
- Flabeg GmbH & Co. KG
- Jens Cardinal
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS