Heinz Gerss

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Bielefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Fire resistant door
- Patent number 4,397,116
- Issue date Aug 9, 1983
- Schuco Heinz Schurmann GmbH & Co.
- Siegfried Habicht
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS