Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5843874 | Clean performing gear oils | Ian Macpherson, Lee D. Saathoff | 1998-12-01 |
| 5763372 | Clean gear boron-free gear additive and method for producing same | Samuel Tersigni, Lee D. Saathoff | 1998-06-09 |
| 5326485 | Low ash lubricating oil compositions | Michelle M. Cervenka | 1994-07-05 |