Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9470571 | Liquid level measuring device | Chun-Ming Huang, Gang-Neng Sung, Chen-Chia Chen | 2016-10-18 |
| 9335201 | Liquid level measuring device | Chun-Ming Huang, Chen-Chia Chen | 2016-05-10 |
| 5280653 | Toilet-seat flush-valve operating device | — | 1994-01-25 |
| 5177818 | Toilet-seat flush-valve operating device | — | 1993-01-12 |