Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9238996 | Piston having combustion bowl shaped to balance combustion efficiency and emission properties | William L. Easley, David A. Pierpont, John P. Timmons | 2016-01-19 |
| 8978621 | Piston having combustion bowl shaped to balance combustion efficiency and emission properties | William L. Easley, David A. Pierpont, John P. Timmons | 2015-03-17 |