Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10890156 | Method for determining a need for changing a spark plug | Dirk Wüstenhagen, Douglas L. Sprunger | 2021-01-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10890156 | Method for determining a need for changing a spark plug | Dirk Wüstenhagen, Douglas L. Sprunger | 2021-01-12 |