Richard E. Hauldren

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Weirton, WV, US

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Patents Grantslast 30 patents

Information Patent Grant
Decreasing contamination of molten metal prior to solidification ca...
- Patent number 5,887,647
- Issue date Mar 30, 1999
- Weirton Steel Corporation
- Scott D. Melville
- B22 - CASTING POWDER METALLURGY