Robert S. Salter

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Peterborough, 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...
Information Patent Grant
Separation of polymetallic sulphides by froth flotation
- Patent number 4,952,329
- Issue date Aug 28, 1990
- Falconbridge Limited
- Srdjan Bulatovic
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Separation of polymetallic sulphides by froth flotation
- Patent number 4,880,529
- Issue date Nov 14, 1989
- Falconbridge Limited
- Srdjan Bulatovic
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...

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...