John Christen

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Waterloo, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
High temperature valve
- Patent number 7,854,239
- Issue date Dec 21, 2010
- Fisher Controls International LLC
- William E. Wears
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
High Temperature Valve
- Publication number 20090218536
- Publication date Sep 3, 2009
- William E. Wears
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...