Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589295 | Coupler for use in oxidative hair dyeing | Mu-III Lim, Yuh-Guo Pan | 2003-07-08 |
| 6572665 | Coupler for use in oxidative hair dyeing | Mu-Ill Lim, Yuh-Guo Pan | 2003-06-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589295 | Coupler for use in oxidative hair dyeing | Mu-III Lim, Yuh-Guo Pan | 2003-07-08 |
| 6572665 | Coupler for use in oxidative hair dyeing | Mu-Ill Lim, Yuh-Guo Pan | 2003-06-03 |