Issued Patents All Time
Showing 1–4 of 4 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 |
| 9890347 | Ashless or reduced ash quaternary detergents | Ewan E. Delbridge, Virginia A. Carrick, John K. Pudelski, Matthew D. Giesleman, Christopher L. Friend +2 more | 2018-02-13 |
| 9469824 | Ashless or reduced ash quaternary detergents | Ewan E. Delbridge, Virginia A. Carrick, John K. Pudelski, Matthew D. Giesleman, Christopher L. Friend +2 more | 2016-10-18 |
| 9109184 | Ashless or reduced ash quaternary detergents | Ewan E. Delbridge, Virginia A. Carrick, John K. Pudelski, Matthew D. Giesleman, Christopher L. Friend +2 more | 2015-08-18 |