Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6584709 | Device for removing sludge from the bottom of a lagoon | Courtland J. Martel, Jr. | 2003-07-01 |
| 5651200 | Debris exclusion devices for an augerhead type hydraulic dredge system | Michael R. Walsh | 1997-07-29 |