Robert William Pugh

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Sherwood Park, CA

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Patents Grantslast 30 patents

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Grinding rod chemistry and method of heat treatment to enhance wear...
- Patent number 6,074,765
- Issue date Jun 13, 2000
- Stelco Inc.
- Robert William Pugh
- C21 - METALLURGY OF IRON
Information Patent Grant
Stress relieved grinding rod having hard outer shell
- Patent number 5,972,135
- Issue date Oct 26, 1999
- Stelco Inc.
- Robert William Pugh
- C21 - METALLURGY OF IRON
Information Patent Grant
Heat treatment of grinding rod
- Patent number 5,902,423
- Issue date May 11, 1999
- Stelco Inc.
- Robert William Pugh
- C21 - METALLURGY OF IRON