Manfred Fischbach

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D-4320 Hattingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for making drill holes under spatially restric...
- Patent number 5,007,487
- Issue date Apr 16, 1991
- Bergwerksverband GmbH
- Olof Dahle
- E21 - EARTH DRILLING MINING
Information Patent Grant
Extrusion device for impregnating a rock formation, preferably for...
- Patent number 4,456,438
- Issue date Jun 26, 1984
- Manfred Fischbach
- E21 - EARTH DRILLING MINING