Martin H. Macdonald

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Goodrich, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods and apparatus for removing a slug from a frame of an automo...
- Patent number 6,625,861
- Issue date Sep 30, 2003
- General Motors Corporation
- Thomas Nolen Whetstone
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Methods and apparatus for removing a slug from a frame of an automo...
- Publication number 20020100170
- Publication date Aug 1, 2002
- Thomas Nolen Whetstone
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...