Robert A. Howard

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Sugarland, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for recovering valuable metals from spent catalysts
- Patent number 5,013,533
- Issue date May 7, 1991
- Robert A. Howard
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...