Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635685 | Rigid polyurethane foam and process for producing the same | Sang Jo Suk, Bong Ku Kim, Sang Bu Jeon | 2003-10-21 |
| 6384098 | Rigid polyurethane foam and process for producing the same | Sang Jo Suk, Bong Ku Kim, Sang Bu Jeon | 2002-05-07 |