Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333995 | Leak proof cells provided with a synthetic resin gasket having an increased degree of crystallinity | Osamu Ishida, Seiichi Matsushima | 1982-06-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333995 | Leak proof cells provided with a synthetic resin gasket having an increased degree of crystallinity | Osamu Ishida, Seiichi Matsushima | 1982-06-08 |