James E. Williams

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Fletcher, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Life silver recovery system
- Patent number 4,881,973
- Issue date Nov 21, 1989
- E. I. Du Pont de Nemours and Company
- James E. Williams
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Apparatus for recovery of silver from spent, waste, acidic processi...
- Patent number 4,854,552
- Issue date Aug 8, 1989
- E. I. Du Pont de Nemours and Company
- James E. Williams
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovery of silver from spent, waste, acidic processing...
- Patent number 4,740,244
- Issue date Apr 26, 1988
- E. I. Du Pont de Nemours and Company
- James E. Williams
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...