Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4619159 | Wrenching unit for use in power threading of a sleeve portion to a pipe portion used in makeup of oil well casings or the like | — | 1986-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4619159 | Wrenching unit for use in power threading of a sleeve portion to a pipe portion used in makeup of oil well casings or the like | — | 1986-10-28 |