Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670462 | Lubricating oil additives | Douglas Barr, Alexander F. Psaila | 1997-09-23 |
| 5602084 | Detergent additives for lubricating oils, their preparation and use | — | 1997-02-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670462 | Lubricating oil additives | Douglas Barr, Alexander F. Psaila | 1997-09-23 |
| 5602084 | Detergent additives for lubricating oils, their preparation and use | — | 1997-02-11 |