Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9745891 | Internal combustion engine with shrouded injection valve and precombustion chamber system | Randall A. Coleman | 2017-08-29 |
| 9677459 | Internal combustion engine with shrouded injection valve and precombustion chamber system | Randall A. Coleman | 2017-06-13 |