Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4591006 | Well servicing rig | Stanley O. Hutchison, James E. Hansen | 1986-05-27 |
| 4350478 | Bottom hole oil well pump | James E. Hansen, Walter E. Hinds | 1982-09-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4591006 | Well servicing rig | Stanley O. Hutchison, James E. Hansen | 1986-05-27 |
| 4350478 | Bottom hole oil well pump | James E. Hansen, Walter E. Hinds | 1982-09-21 |