Comelis Grefhorst

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Winterswijk, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method for improvement of casting quality
- Patent number 9,138,803
- Issue date Sep 22, 2015
- S&B Industrial Minerals North America, Inc.
- Victor S. LaFay
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR IMPROVEMENT OF CASTING QUALITY
- Publication number 20120325113
- Publication date Dec 27, 2012
- S&B Industrial Minerals North America, Inc.
- Victor LaFAY
- B22 - CASTING POWDER METALLURGY