Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7441283 | Flush toilet with add-on liquid dispenser | — | 2008-10-28 |
| 5890823 | Service station wiping mechanism in a printing unit | Shyi-Huang Chang | 1999-04-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7441283 | Flush toilet with add-on liquid dispenser | — | 2008-10-28 |
| 5890823 | Service station wiping mechanism in a printing unit | Shyi-Huang Chang | 1999-04-06 |