Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6919408 | Thermoplastic transparent resin composition and method of manufacturing same | Keon-Hoon Yoo, Chan-Hong Lee | 2005-07-19 |
| 6806315 | Method for preparing of weatherability thermoplastic resin | Keun Hoon Yoo, Tae Bin Ahn, Chan-Hong Lee | 2004-10-19 |