Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5475035 | Process and apparatus for making a thermoplstic foam structure employing downstream injection of water | Chung P. Park | 1995-12-12 |
| 5475037 | Amorphous polyester foam | Chung P. Park, Roby G. Watson | 1995-12-12 |
| 4681715 | Steam expandable polymeric composition and method | Chung P. Park | 1987-07-21 |
| 4663360 | Steam expandable polymeric composition and method | Chung P. Park | 1987-05-05 |