Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765093 | Couplers for use in oxidative hair dyeing | Mu-Ill Lim, Yuh-Guo Pan | 2004-07-20 |
| 6693196 | Couplers for use in oxidative hair dyeing | Mu-III Lim, Yuh-Guo Pan | 2004-02-17 |
| 6690531 | Dynamic tape path adjustment | Durkee B. Richards, Leif O. Erickson | 2004-02-10 |
| 6673966 | Coupler for use in oxidative hair dyeing | Mu-Ill Lim, Yuh-Guo Pan | 2004-01-06 |