Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356046 | Method for the manufacture of a battery separator using tubing | Takao Hasegawa | 1982-10-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356046 | Method for the manufacture of a battery separator using tubing | Takao Hasegawa | 1982-10-26 |