Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9605581 | Passive exhaust valve with floating spring stop | Justin Middleton, Robert L Middleton, Sr. | 2017-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9605581 | Passive exhaust valve with floating spring stop | Justin Middleton, Robert L Middleton, Sr. | 2017-03-28 |