Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7219818 | Controlled dispensing device | — | 2007-05-22 |
| 7198421 | Enclosed opening means | Tawei Tsao, Garry Tsaur | 2007-04-03 |
| 7182539 | Sliding piston opening means | Tawei Tsao, Garry Tsaur | 2007-02-27 |