Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12031432 | Excavation apparatus with supporting linkage | Andrew Leslie Pollock, Jeffrey Haas | 2024-07-09 |
| 9856698 | Self-propelled, towable coring apparatus | Andrew Leslie Pollock, Pasquale Colangelo | 2018-01-02 |
| 8327950 | Excavation apparatus | Andrew Leslie Pollock | 2012-12-11 |
| 7757780 | Excavating method and apparatus | Jeffrey Haas, Patrick William Harbinson | 2010-07-20 |