Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818453 | Process for making porous resin and molded product containing continuous holes | Shigeru Kiriyama, Kazuhiro Imada | 1989-04-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818453 | Process for making porous resin and molded product containing continuous holes | Shigeru Kiriyama, Kazuhiro Imada | 1989-04-04 |