Robert M. Hughes

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Alta Loma, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for extraction of metals from leachable ores and forming of...
- Patent number 4,424,194
- Issue date Jan 3, 1984
- Robert M. Hughes
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Air mix agitation for the extraction of metals from leachable ores
- Patent number 4,190,436
- Issue date Feb 26, 1980
- Robert M. Hughes
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...