Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10000719 | Lubricating oil composition | Joseph P. Hartley | 2018-06-19 |
| 9080126 | Lubricating oil composition | Joseph P. Hartley | 2015-07-14 |
| 8455410 | Lubricating oil composition | — | 2013-06-04 |