Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7314571 | Methods and systems for removing floating solid waste from the surface of a watercourse | James E. Richardson | 2008-01-01 |
| 7022223 | Methods and systems for removing floating solid waste from the surface of a watercourse | James E. Richardson | 2006-04-04 |