Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8075461 | Reinforced cord well lifting bar assembly | Douglas C. Terry, Robert S. Hinds | 2011-12-13 |
| 7357762 | Reinforced cord well lifting bar assembly | Douglas C. Terry, Robert S. Hinds | 2008-04-15 |