Terry L. Erion

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Janesville, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for improving stength of gasifiable patterns
- Patent number 4,736,786
- Issue date Apr 12, 1988
- Deere & Company
- David V. Trumbauer
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for forming castings having inserts
- Patent number 4,691,754
- Issue date Sep 8, 1987
- Deere & Company
- David V. Trumbauer
- B22 - CASTING POWDER METALLURGY