Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4399087 | Process for producing foamed polyolefin articles from aged pre-foamed particles of polyolefin resins | Hiroyuki Akiyama, Susumu Izawa, Kuninori Hirosawa | 1983-08-16 |