Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6911145 | Apparatus and methods for separating slurried material | Robert J. Hutchinson | 2005-06-28 |
| 6860042 | Excavation system employing a jet pump | Robert J. Hutchinson | 2005-03-01 |