Wallace K. Polston

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Union Grove, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Pelletizer feed roller
- Patent number 5,175,053
- Issue date Dec 29, 1992
- American Roller Company
- Wallace K. Polston
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...