Walter HULM

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Reichenkirchen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Drill head for a drill and drill
- Patent number 9,695,640
- Issue date Jul 4, 2017
- Irwin Industrial Tool Company
- Rainer Eggers
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DRILL HEAD FOR A DRILL AND DRILL
- Publication number 20140034395
- Publication date Feb 6, 2014
- Rainer EGGERS
- E21 - EARTH DRILLING MINING