Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9677024 | Fuel efficient lubricating oils | Carl K. Esche, Jr., Thorsten Bartels, David B. Gray | 2017-06-13 |
| 9546340 | Ultra low phosphorus lubricant compositions | Steven G. Donnelly, Ronald J. Hiza | 2017-01-17 |