John Brian Nichole

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Vancouver, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method of recovery of precious metals & heavy minerals
- Patent number 6,682,005
- Issue date Jan 27, 2004
- First American Scientific Corp.
- Calvin Leslie Kantonen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Method of recovery of precious metals & heavy minerals
- Publication number 20020179751
- Publication date Dec 5, 2002
- Calvin Leslie Kantonen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...