Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647704 | Aquatic vegetation shredder having bow and stern mounted high speed, large chopping propellers | David Penny, Kenneth F. Knapp | 2003-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647704 | Aquatic vegetation shredder having bow and stern mounted high speed, large chopping propellers | David Penny, Kenneth F. Knapp | 2003-11-18 |