Derek Williams

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Wilmington, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating hog and animal waste
- Patent number 7,371,328
- Issue date May 13, 2008
- Recovery Systems, Inc.
- Allan E. Hokanson
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

Information Patent Application
Method of forming phosphoric acid from phosphate ore
- Publication number 20050002845
- Publication date Jan 6, 2005
- Allan E. Hokanson
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method of forming phosphoric acid from phosphate ore
- Publication number 20040109809
- Publication date Jun 10, 2004
- Allan E. Hokanson
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method for treating hog and animal waste
- Publication number 20030057160
- Publication date Mar 27, 2003
- Derek P. Williams
- C05 - FERTILISERS MANUFACTURE THEREOF