Ernst Koller

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CH-4102 Binningen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Building skeleton of profiled bars
- Patent number 5,806,268
- Issue date Sep 15, 1998
- Ernst Koller
- E04 - BUILDING
Information Patent Grant
Structural element bar for buildings, or the like
- Patent number 4,453,363
- Issue date Jun 12, 1984
- Ernst Koller
- E04 - BUILDING
Information Patent Grant
Structural unit in the form of a profiled bar
- Patent number 4,364,216
- Issue date Dec 21, 1982
- Ernst Koller
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS