Brian CZARTORSKI

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Muse, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Mine roof support apparatus and system
- Patent number 8,967,916
- Issue date Mar 3, 2015
- Earth Support Services, Inc.
- David A. Hussey
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
MINE ROOF SUPPORT APPARATUS AND SYSTEM
- Publication number 20120282039
- Publication date Nov 8, 2012
- EARTH SUPPORT SERVICES, INC.
- David A. HUSSEY
- E21 - EARTH DRILLING MINING