Jean-Jacques Bollmann

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CH-8008 Zurich, CH

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Patents Grantslast 30 patents

Information Patent Grant
Base support for pole
- Patent number 4,662,139
- Issue date May 5, 1987
- Jean-Jacques Bollmann
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Ground securing device
- Patent number 4,603,526
- Issue date Aug 5, 1986
- Jean-Jacques Bollmann
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Systems for anchoring structural members
- Patent number 4,279,107
- Issue date Jul 21, 1981
- Jean-Jacques Bollmann
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING