William L. Harbaugh

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Greensburg, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Mine prop
- Patent number 6,910,834
- Issue date Jun 28, 2005
- Burrell Mining Products, Inc.
- William L. Harbaugh
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Mine prop
- Publication number 20040240948
- Publication date Dec 2, 2004
- William L. Harbaugh
- E21 - EARTH DRILLING MINING