Trever Calver

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Basingstoke, GB

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Patents Grantslast 30 patents

Information Patent Grant
Powered rope climbing apparatus
- Patent number 7,513,334
- Issue date Apr 7, 2009
- Trever Calver
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Powered rope climbing apparatus
- Publication number 20060017047
- Publication date Jan 26, 2006
- Trever Calver
- B66 - HOISTING LIFTING HAULING