Marvin J. Engelsman

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Royal Oak, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Roll forming machine with flare control unit
- Patent number 5,199,291
- Issue date Apr 6, 1993
- Tishken Products Co.
- Gordon H. Bahl
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...