Gunnar V. R. Romell

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Djursholm, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method of rock bolting and tube-formed expansion bolt
- Patent number 4,634,317
- Issue date Jan 6, 1987
- Atlas Copco Aktiebolag
- Bo T. Skogberg
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method of rock bolting and tube-formed expansion bolt
- Patent number 4,509,889
- Issue date Apr 9, 1985
- Atlas Copco Aktiebolag
- Bo T. Skogberg
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method of rock bolting and tube-formed expansion bolt
- Patent number 4,459,067
- Issue date Jul 10, 1984
- Atlas Copco Aktiebolag
- Bo T. Skogberg
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING