Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6382876 | Method of repairing or reinforcing worn-out underground burried drainpipes by resin transfer molding process using both flexible tubes and bagging films | Dai Gil Lee, Jae Wook Kwon, Ae Yoo | 2002-05-07 |