Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4638873 | Direction and angle maintenance tool and method for adjusting and maintaining the angle of deviation of a directionally drilled borehole | — | 1987-01-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4638873 | Direction and angle maintenance tool and method for adjusting and maintaining the angle of deviation of a directionally drilled borehole | — | 1987-01-27 |