Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085283 | Method and tool string for curving a vertical borehole horizontally | William R. Ericksen | 1992-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085283 | Method and tool string for curving a vertical borehole horizontally | William R. Ericksen | 1992-02-04 |