Herbert B. Stiltner

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Abingdon, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for supporting a mine rib
- Patent number 8,371,658
- Issue date Feb 12, 2013
- Heintzmann Corporation
- John J. Breedlove
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for supporting a mine rib
- Publication number 20110052334
- Publication date Mar 3, 2011
- John J. Breedlove
- E21 - EARTH DRILLING MINING