Fred Kawahara

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Ft. Wright, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for the purification of acidic metal-bearing waste waters t...
- Patent number 7,279,103
- Issue date Oct 9, 2007
- United States of America Enviromental Protection Agency
- John Burckle
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR THE PURIFICATION OF ACIDIC METAL-BEARING WASTE WATERS T...
- Publication number 20070090057
- Publication date Apr 26, 2007
- John Burckle
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE