Anthony John Spencer Spearing

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Aurora, OH, US

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Patents Applicationslast 30 patents

Information Patent Application
Free Standing Support
- Publication number 20070267559
- Publication date Nov 22, 2007
- Anthony John Spencer Spearing
- E21 - EARTH DRILLING MINING
Information Patent Application
Elongate element tensioning member
- Publication number 20060072972
- Publication date Apr 6, 2006
- Anthony John Spencer Spearing
- E21 - EARTH DRILLING MINING
Information Patent Application
Elongate element tensioning member
- Publication number 20060067795
- Publication date Mar 30, 2006
- Anthony John Spencer Spearing
- E21 - EARTH DRILLING MINING