Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4415680 | Water-impermeable polyolefin foam and process for preparing the same | Masahiro Ushirokawa, Kenichi Senda | 1983-11-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4415680 | Water-impermeable polyolefin foam and process for preparing the same | Masahiro Ushirokawa, Kenichi Senda | 1983-11-15 |