David E. Nightingale

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Timmins, CA

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Patents Grantslast 30 patents

Information Patent Grant
Treatment of zinc plant leach residues for recovery of the containe...
- Patent number 4,225,342
- Issue date Sep 30, 1980
- Texasgulf Inc.
- George M. Freeman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...