Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7600737 | Cutback poppet valve | Donald J. Christensen, George T. Woessner, Jason Gratton | 2009-10-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7600737 | Cutback poppet valve | Donald J. Christensen, George T. Woessner, Jason Gratton | 2009-10-13 |