Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294354 | Combining dispersant viscosity index improver and detergent additives for lubricants | Brian L. Papke, John Castrogiovanni, Jr. | 1994-03-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294354 | Combining dispersant viscosity index improver and detergent additives for lubricants | Brian L. Papke, John Castrogiovanni, Jr. | 1994-03-15 |