Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8312893 | Axial drag valve with internal hub actuator | Roger Bey, Samuel C. Sturtevant, Sina Alikhani | 2012-11-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8312893 | Axial drag valve with internal hub actuator | Roger Bey, Samuel C. Sturtevant, Sina Alikhani | 2012-11-20 |