John S. Wold

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Casper, WY, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for purification and production of saline minerals from trona
- Patent number 5,911,959
- Issue date Jun 15, 1999
- Environmental Projects, Inc.
- John S. Wold
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...