Roger A. Hickey

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Centralia, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for treating liquid septage
- Patent number 6,776,914
- Issue date Aug 17, 2004
- Roger A. Hickey
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Process for treating liquid septage
- Publication number 20030201233
- Publication date Oct 30, 2003
- Roger A. Hickey
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
Process for treating liquid septage and biosolids
- Publication number 20030189008
- Publication date Oct 9, 2003
- Roger A. Hickey
- C05 - FERTILISERS MANUFACTURE THEREOF