John C. Yannopoulos

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Westport, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Continuous process for copper smelting and converting in a single f...
- Patent number 4,470,845
- Issue date Sep 11, 1984
- Newmont Mining Corporation
- John C. Yannopoulos
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...