Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8153565 | Lubricant composition for a final drive axle | Craig D. Tipton | 2012-04-10 |
| 6528458 | Lubricant for dual clutch transmission | Craig D. Tipton, William Ward | 2003-03-04 |
| 5110488 | Lubricating compositions containing reduced levels of phosphorus | Craig D. Tipton | 1992-05-05 |
| 4612129 | Sulfur-containing compositions, and additive concentrates and lubricating oils containing same | Stephen A. DiBiase, Kirk E. Davis | 1986-09-16 |