Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6918861 | Exerciser having rotatable seat device | Wen Wan Tsai | 2005-07-19 |
| 6893182 | Soap having embedded spongy cleansing device | — | 2005-05-17 |
| 5930913 | Portable shoe dehumidifier | Li-Wen Liao | 1999-08-03 |