Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8434248 | Excavation retention assembly | Gary R. Woerman | 2013-05-07 |
| 7788830 | Excavation retention assembly | Gary R. Woerman | 2010-09-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8434248 | Excavation retention assembly | Gary R. Woerman | 2013-05-07 |
| 7788830 | Excavation retention assembly | Gary R. Woerman | 2010-09-07 |