Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D461959 | Toothbrush head | John Geoffrey Chan, Ping Wang, Jing Li | 2002-08-27 |
YO
Ying Ouyang
Overall (2002): #87,339 of 266,432Top 35%
1
Patents 2002