Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641765 | Polyester multifilament yarn | Duk-ho Oh, Song-joo Choi | 2003-11-04 |
| 6511624 | Process for preparing industrial polyester multifilament yarn | Duk-ho Oh, Song-joo Choi | 2003-01-28 |
| 6511747 | High strength polyethylene naphthalate fiber | Song-joo Choi, Jong Bok Lee | 2003-01-28 |