Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D461959 | Toothbrush head | John Geoffrey Chan, Ping Wang, Ying Ouyang | 2002-08-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D461959 | Toothbrush head | John Geoffrey Chan, Ping Wang, Ying Ouyang | 2002-08-27 |