Stephen G. Sawyer

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McMurray, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pumpable support with cladding
- Patent number 8,851,804
- Issue date Oct 7, 2014
- Micon
- David A. Hussey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine seal with multiple mortared walls
- Patent number 8,777,522
- Issue date Jul 15, 2014
- Micon
- George A. Watson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine seal with adhesive
- Patent number 8,342,776
- Issue date Jan 1, 2013
- Micon
- George Anthony Watson
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
NESTED MINE ROOF SUPPORTS
- Publication number 20140348596
- Publication date Nov 27, 2014
- David A. HUSSEY
- E21 - EARTH DRILLING MINING
Information Patent Application
Pumpable Support with Cladding
- Publication number 20110262231
- Publication date Oct 27, 2011
- Micon
- David A. Hussey
- E21 - EARTH DRILLING MINING
Information Patent Application
MINE SEAL WITH ADHESIVE
- Publication number 20110013991
- Publication date Jan 20, 2011
- Micon
- George A. Watson
- E21 - EARTH DRILLING MINING
Information Patent Application
Mine Seal With Adhesive
- Publication number 20090010715
- Publication date Jan 8, 2009
- George Anthony Watson
- E21 - EARTH DRILLING MINING