Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5553678 | Modulated bias units for steerable rotary drilling systems | John D. Barr, Robert A. Russell, Richard E. Thorp, David Boast, John Martin Clegg | 1996-09-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5553678 | Modulated bias units for steerable rotary drilling systems | John D. Barr, Robert A. Russell, Richard E. Thorp, David Boast, John Martin Clegg | 1996-09-10 |