Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5422181 | Synthetic fibers containing photochromic pigment and their preparation | Yean-Rong Hwu, Li Tao, Der-Guey Luo, Andrew Teh Hu | 1995-06-06 |
| 5213733 | Method of making synthetic fibers containing photochromic pigment | Yean-Rong Hwu, Li Tao, Der-Guey Luo, Andrew Teh Hu | 1993-05-25 |