Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5889067 | Open cell rigid polyurethane foam and method for producing the same and method for making vacuum insulation panel using same | Jin Taek Hwang, Seung-Joo Seo | 1999-03-30 |