Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975244 | Oscillating shear valve for mud pulse telemetry and associated methods of use | Detlef Hahn, Volker Peters, Cedric Rouatbi | 2005-12-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975244 | Oscillating shear valve for mud pulse telemetry and associated methods of use | Detlef Hahn, Volker Peters, Cedric Rouatbi | 2005-12-13 |