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Walchwil, CH
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last 30 patents
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Patent Grant
Fire-inhibiting flat element comprising at least two transparent fi...
Patent number
6,787,214
Issue date
Sep 7, 2004
Vetrotech Saint-Gobain (International) AG
Horst Seidel
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Patent Grant
Method for producing flat or arcuate glass plates
Patent number
5,676,722
Issue date
Oct 14, 1997
Vetrotech AG
Horst Seidel
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Transparent heat protection element
Patent number
5,565,273
Issue date
Oct 15, 1996
Vetrotech AG
Walter Egli
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES