Franz-Peter Schaaf

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Frechen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of making curved insulating glazing panes
- Patent number 5,282,911
- Issue date Feb 1, 1994
- Saint-Gobain Vitrage International
- Mieczyslaw Natorff
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS