Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10711539 | Modular drilling rig having pipe lifting capability and ventilation therein | Paul O'Connor | 2020-07-14 |
| 4540940 | Circuit tester for automotive electrical systems | — | 1985-09-10 |