William Xiaoguang Sun

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Stow, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for isolating water valves
- Patent number 10,627,010
- Issue date Apr 21, 2020
- William Xiaoguang Sun
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Method and Apparatus for Isolating Water Valves
- Publication number 20200032923
- Publication date Jan 30, 2020
- William Xiaoguang Sun
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...