Chris McCormick

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Cranberry, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of controlling a miner to cause wobble in the cutting heads
- Patent number 8,967,728
- Issue date Mar 3, 2015
- Joy MM Delaware, Inc.
- David Stryffeler
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF CONTROLLING A MINER TO CAUSE WOBBLE IN THE CUTTING HEADS
- Publication number 20120187743
- Publication date Jul 26, 2012
- David Stryffeler
- E21 - EARTH DRILLING MINING