Dennis G. Maschmeyer

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Fort Saskatchewan, CA

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Patents Grantslast 30 patents

Information Patent Grant
Process for thermal-activation of chalcopyrite-pyrite concentrates
- Patent number 4,201,748
- Issue date May 6, 1980
- Cominco Ltd.
- Godefridus M. Swinkels
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...