Keith R. Kelly

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Warsop, GB

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Patents Grantslast 30 patents

Information Patent Grant
Trenching method and apparatus
- Patent number 6,658,767
- Issue date Dec 9, 2003
- Mastenbroek Ltd.
- Keith R. Kelly
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Trenching method and apparatus
- Publication number 20020056211
- Publication date May 16, 2002
- Keith R. Kelly
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING