Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10087390 | Lubricant additive for reducing timing chain wear | Carl K. Esche, Jr. | 2018-10-02 |
| 9896638 | Ultra low phosphorus lubricant compositions | Steven G. Donnelly, Ronald J. Hiza | 2018-02-20 |