Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403661 | Volume reducing agents for expanded polystyrene, methods and apparatus for processing expanded polystyrene using the same | Hiroaki Usui, Jae Hong Kim, Dong Hoon Choi, Yoshiharu Kimura | 2002-06-11 |