Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9839876 | Air cleaning device using water as filter | I-Ta Tsai | 2017-12-12 |
| 6398194 | Water pressure-type aeration device | Shih-Tse Wang | 2002-06-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9839876 | Air cleaning device using water as filter | I-Ta Tsai | 2017-12-12 |
| 6398194 | Water pressure-type aeration device | Shih-Tse Wang | 2002-06-04 |