Werner Mennekes

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Lunen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Cap shoe
- Patent number 5,149,044
- Issue date Sep 22, 1992
- Bochumer Eisenhutte Heintzmann GmbH & Co. KG
- Werner Mennekes
- E21 - EARTH DRILLING MINING
Information Patent Grant
Clamping connection device for flanged through sections of support...
- Patent number 4,602,896
- Issue date Jul 29, 1986
- Bochumer Eisenhuette Heintzmann GmbH & Co KG
- Karlheinz Bohnes
- E21 - EARTH DRILLING MINING