Mario A. Polon

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Shelby, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of interlocking hemmed together panels
- Patent number 5,237,734
- Issue date Aug 24, 1993
- General Motors Corporation
- Mario A. Polon
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...