David G. Tisdale

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Sudbury, CA

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Patents Grantslast 30 patents

Information Patent Grant
Pretreatment of chromium-bearing metal scrap to remove chromium
- Patent number 5,382,278
- Issue date Jan 17, 1995
- Falconbridge Ltd.
- Gary J. O'Connell
- C21 - METALLURGY OF IRON
Information Patent Grant
Pretreatment of chromium-bearing metal scrap to remove chromium
- Patent number 5,240,496
- Issue date Aug 31, 1993
- Falconbridge Limited
- Gary J. O'Connell
- C21 - METALLURGY OF IRON