Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4911574 | Cam lock for tool elements | Jerald VanderPol | 1990-03-27 |
| 4667548 | End preparation tool for pipe fittings | Henry Astle, Jerald VanderPol, Terry B. Linton | 1987-05-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4911574 | Cam lock for tool elements | Jerald VanderPol | 1990-03-27 |
| 4667548 | End preparation tool for pipe fittings | Henry Astle, Jerald VanderPol, Terry B. Linton | 1987-05-26 |