Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812246 | Base oil for lubricating oil and lubricating oil composition containing said base oil | — | 1989-03-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812246 | Base oil for lubricating oil and lubricating oil composition containing said base oil | — | 1989-03-14 |