Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6756348 | Lubricating oil having enhanced resistance to oxidation, nitration and viscosity increase | John D. Palazzotto | 2004-06-29 |
| 6642191 | Lubricating oil additive system particularly useful for natural gas fueled engines | John D. Palazzotto | 2003-11-04 |
| 6001780 | Ashless lubricating oil formulation for natural gas engines | Andrew W. Ho, Laura J. Whaley | 1999-12-14 |