Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5898967 | Flexible toothbrush | Jian WU | 1999-05-04 |
| 5694658 | Flexible toothbrush | Pei Zhi Huang, Jian WU | 1997-12-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5898967 | Flexible toothbrush | Jian WU | 1999-05-04 |
| 5694658 | Flexible toothbrush | Pei Zhi Huang, Jian WU | 1997-12-09 |