Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6102116 | Locking device to load and to screw a drill stem and casing tubes for drill rigs | — | 2000-08-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6102116 | Locking device to load and to screw a drill stem and casing tubes for drill rigs | — | 2000-08-15 |