Donald W. Trinklein

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Rochester, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method to evaluate sheet metal lubricants cratering potential on me...
- Patent number 4,663,007
- Issue date May 5, 1987
- Chrysler Motors Corporation
- Donald W. Trinklein
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...