Charles E. Friesner

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Perrysburg, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Structural member
- Patent number 7,396,495
- Issue date Jul 8, 2008
- Charles E. Friesner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Structural member
- Patent number 6,769,220
- Issue date Aug 3, 2004
- Charles E. Friesner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Structural member
- Patent number 6,284,841
- Issue date Sep 4, 2001
- Charles E. Friesner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Method for treating septic tank effluent
- Publication number 20080127603
- Publication date Jun 5, 2008
- Charles E. Friesner
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Method for treating septic tank effluent
- Publication number 20070199895
- Publication date Aug 30, 2007
- Charles E. Friesner
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Structural member
- Publication number 20020148181
- Publication date Oct 17, 2002
- Charles E. Friesner
- B28 - WORKING CEMENT, CLAY, OR STONE