Stephen R. Butts

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Greenfield, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Vertical shaft impact crusher with interchangeable crusher ring seg...
- Patent number 4,756,484
- Issue date Jul 12, 1988
- Nordberg, Inc.
- David J. Bechler
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...