William John Stroshein

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for handling and racking pipes
- Patent number 7,967,541
- Issue date Jun 28, 2011
- Weatherford Canada Partnership
- William John Stroshein
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for handling and racking pipes
- Patent number 7,794,192
- Issue date Sep 14, 2010
- Iron Derrickman Ltd.
- Monte Neil Wright
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for handling and racking pipes
- Patent number 7,331,746
- Issue date Feb 19, 2008
- Iron Derrickman Ltd.
- Monte Neil Wright
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Apparatus for handling and racking pipes
- Publication number 20090257848
- Publication date Oct 15, 2009
- William John Stroshein
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus for handling and racking pipes
- Publication number 20070193750
- Publication date Aug 23, 2007
- IRON DERRICKMAN LTD.
- Monte Neil Wright
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus for handling and racking pipes
- Publication number 20060113073
- Publication date Jun 1, 2006
- Monte Neil Wright
- E21 - EARTH DRILLING MINING