Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733888 | Floor-covering material using phenol composite resin | Chang-guen Lee, Hyeong-Keor Yoo, Sung-Il Kim | 2004-05-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733888 | Floor-covering material using phenol composite resin | Chang-guen Lee, Hyeong-Keor Yoo, Sung-Il Kim | 2004-05-11 |