STEVEN MURRAY SHAFFER

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Sparland, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Wethead seal design for continuous mining machine
- Patent number 8,967,730
- Issue date Mar 3, 2015
- Caterpillar Global Mining America LLC
- Darren Brent Antoine
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
WETHEAD SEAL DESIGN FOR CONTINUOUS MINING MACHINE
- Publication number 20150001912
- Publication date Jan 1, 2015
- Caterpillar Global Mining America, LLC
- DARREN BRENT ANTOINE
- E21 - EARTH DRILLING MINING