Kevin R. Wirtz

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Mosinee, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for providing a stable protective coating for UV sensitive p...
- Patent number 5,939,089
- Issue date Aug 17, 1999
- LignoTech USA, Inc.
- Kevin R. Wirtz
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Production of oxidized humic acids by an oxygen-alkali process
- Patent number 5,688,999
- Issue date Nov 18, 1997
- LignoTech USA, Inc.
- Stuart E. Lebo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...