Yin; Chih-Chien
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yin; Chih-Chien.The latest application filed is for "automatically restorable handle apparatus".
- Yin; Chih-Chien - Chiayi County TW
| Patent | Date |
|---|---|
| Automatically Restorable Handle Apparatus App 20140225019 - Yin; Chih-Chien | 2014-08-14 |
| Ball segment valve Grant 8,398,055 - Yin March 19, 2 | 2013-03-19 |
| Ball Segment Valve App 20120168661 - Yin; Chih-Chien | 2012-07-05 |
| Ball Valve App 20120153206 - Yin; Chih-Chien | 2012-06-21 |
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