Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689821 | Chemical method of removing paint film on plastic resin using isopropyl alcohol | Seong Taek Na | 2004-02-10 |
| 6258178 | Method for removing coated film from plastic bumper of automobile | Hyong Ki Choi, Yong Lee, Yang Soo Lim | 2001-07-10 |
| 6196238 | Apparatus for removing coated film from plastic bumper of automobile | Hyong Ki Choi, Yong Lee, Yang Soo Lim | 2001-03-06 |