Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11667112 | Extruded pre-stretched polyethylene films | Jyh-yao Raphael Li, Kelvin Yang | 2023-06-06 |
| 11046062 | Extruded pre-stretched polyethylene films | Jyh-yao Raphael Li, Kelvin Yang | 2021-06-29 |