Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6336986 | Method for producing hybrid driveshaft | Dai Gil Lee, Durk-hyun Cho, Jin Kyung Choi, Seung Hwan Chang, Je Hoon Oh +4 more | 2002-01-08 |
| 6126770 | Method for fabricating a spindle or roller employing a composite material | Dai Gil Lee, Hyun Surk Kim, Young-Goo Kim, Jin Kyung Choi, Durk-hyun Cho | 2000-10-03 |