Don Graham

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Edmonton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method to reduce the width of a slot in a pipe or tube
- Patent number 7,069,657
- Issue date Jul 4, 2006
- Reservoir Management (Barbados) Inc.
- Darcy Culp
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Method to reduce the width of a slot in a pipe or tube
- Publication number 20050204528
- Publication date Sep 22, 2005
- Darcy Culp
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...