Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7201173 | Dental floss holder | Chung-Shan Shen | 2007-04-10 |
| 6739572 | Timing lock device for a faucet | Chung-Shan Shen | 2004-05-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7201173 | Dental floss holder | Chung-Shan Shen | 2007-04-10 |
| 6739572 | Timing lock device for a faucet | Chung-Shan Shen | 2004-05-25 |