Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646611 | System and method for indirectly determining inclination at the bit | Charles D. Barron | 1997-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646611 | System and method for indirectly determining inclination at the bit | Charles D. Barron | 1997-07-08 |