Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629272 | Low phosphorous engine oil compositions and additive compositions | Morikuni Nakazato, Yoshifumi Isozaki | 1997-05-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629272 | Low phosphorous engine oil compositions and additive compositions | Morikuni Nakazato, Yoshifumi Isozaki | 1997-05-13 |