Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7045068 | Apparatus and methods for separating slurried material | Richard F. Dawson | 2006-05-16 |
| 6911145 | Apparatus and methods for separating slurried material | Richard F. Dawson | 2005-06-28 |
| 6860042 | Excavation system employing a jet pump | Richard F. Dawson | 2005-03-01 |
| 6817837 | Jet pump with recirculating motive fluid | Richard F. Dawson | 2004-11-16 |
| 6450775 | Jet pumps and methods employing the same | Richard F. Dawson | 2002-09-17 |
| 6322327 | Jet pump for transfer of material | Richard F. Dawson | 2001-11-27 |
| 5739905 | Spectrophotometer with electronic temperature stabilization | — | 1998-04-14 |