Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10407641 | Ashless or reduced ash quaternary detergents | Ewan E. Delbridge, Virginia A. Carrick, John K. Pudelski, Matthew D. Gieselman, Christopher L. Friend +2 more | 2019-09-10 |
| 8765650 | Ashless or reduced ash quaternary detergents | Ewan E. Delbridge, Virginia A. Carrick, John K. Pudelski, Matthew D. Gieselman, Christopher L. Friend +2 more | 2014-07-01 |