Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8733389 | Mixed water control valve | Chu-Wan Hong, Yuan-Hao Chang, Tsung-Yi Lo | 2014-05-27 |
| 8112829 | Flush valve assembly structure of water tank | — | 2012-02-14 |
| 7281279 | Drain valve | — | 2007-10-16 |
| 7237569 | Ball check valve | — | 2007-07-03 |