Clifford A. McCartney

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Eighty-Four, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Yieldable support prop and method
- Patent number 8,821,075
- Issue date Sep 2, 2014
- Strata Products Worldwide LLC
- Clifford A. McCartney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Positioning cradle for mine roof supports
- Patent number 6,612,803
- Issue date Sep 2, 2003
- Strata Products (USA), Inc.
- Clifford A. McCartney
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Mine roof support crib having only two or three planes, and method
- Patent number 6,352,392
- Issue date Mar 5, 2002
- Strata Products (USA), Inc.
- Clifford A. McCartney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine support cribs
- Patent number 5,746,547
- Issue date May 5, 1998
- Strata Products, Inc.
- John Joseph Reinmann
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Yieldable support prop and method
- Publication number 20130108376
- Publication date May 2, 2013
- Strata Products Worldwide, LLC
- Clifford A. McCartney
- E21 - EARTH DRILLING MINING