Alvin C. Johnson Jr.

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Scottsdale, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for recovering precious metals from precursor-typ...
- Patent number 9,315,879
- Issue date Apr 19, 2016
- Alvin C. Johnson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
System and method for recovering precious metals from precursor-typ...
- Patent number 9,284,619
- Issue date Mar 15, 2016
- Alvin C. Johnson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR RECOVERING PRECIOUS METALS FROM PRECURSOR-TYP...
- Publication number 20150252445
- Publication date Sep 10, 2015
- Alvin C. Johnson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SYSTEM AND METHOD FOR RECOVERING PRECIOUS METALS FROM PRECURSOR-TYP...
- Publication number 20150252443
- Publication date Sep 10, 2015
- Alvin C. Johnson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...