CHI-YUAN WANG

Follow

Person

Lukang Chang Hua, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Observation valve structure
- Patent number 8,365,766
- Issue date Feb 5, 2013
- Y. S. Hardware Co., Ltd.
- Chi-Yuan Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
OBSERVATION VALVE STRUCTURE
- Publication number 20120161053
- Publication date Jun 28, 2012
- CHI-YUAN WANG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...