David G. Peterson

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Reno, NV, US

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Patents Grantslast 30 patents

Information Patent Grant
Desorption of gold from activated carbon
- Patent number 4,208,378
- Issue date Jun 17, 1980
- The United States of America as represented by the Secretary of the Interior
- Harold J. Heinen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Separate recovery of silver and gold from cyanide solutions
- Patent number 4,072,587
- Issue date Feb 7, 1978
- The United States of America as represented by the Secretary of the Interior
- Harold J. Heinen
- C01 - INORGANIC CHEMISTRY