Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4196267 | Extrusion foamed article and process for producing the same | Seizaburo Watanabe, Yuji Seo, Eiji Hattori, Hiroshi Watanabe | 1980-04-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4196267 | Extrusion foamed article and process for producing the same | Seizaburo Watanabe, Yuji Seo, Eiji Hattori, Hiroshi Watanabe | 1980-04-01 |