John J. DeRuiter

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Kerwood, CA

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Patents Grantslast 30 patents

Information Patent Grant
Machine and method for manufacturing crossover fittings
- Patent number 5,396,786
- Issue date Mar 14, 1995
- Mueller Industries, Inc.
- Richard A. Bartholomew
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...