John E. Gerfen

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St. Charles, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Fretting and whisker resistant coating system and method
- Patent number 7,808,109
- Issue date Oct 5, 2010
- GBC Metals, LLC
- Szuchain F. Chen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Fretting and whisker resistant coating system and method
- Patent number 7,391,116
- Issue date Jun 24, 2008
- GBC Metals, LLC
- Szuchain F. Chen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
FRETTING AND WHISKER RESISTANT COATING SYSTEM AND METHOD
- Publication number 20090017327
- Publication date Jan 15, 2009
- Szuchain F. Chen
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Fretting and whisker resistant coating system and method
- Publication number 20050106408
- Publication date May 19, 2005
- Olin Corporation
- Szuchain F. Chen
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR