Issued Patents 2002
Showing 1–3 of 3 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 | Jae Wook Kwon, Woo-seok Chin, Ae Yoo | 2002-05-07 |
| 6384507 | Coreless AC induction motor | Seung Hwan Chang | 2002-05-07 |
| 6336986 | Method for producing hybrid driveshaft | Durk-hyun Cho, Jin Kyung Choi, Seong Sik Cheon, Seung Hwan Chang, Je Hoon Oh +4 more | 2002-01-08 |