Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398829 | Filter system for mobile debris collection machine | Kevin L. Shinler | 2002-06-04 |
| 6389641 | Dual mode debris pickup machine | Steven L. Boomgaarden, Gregory J. Engel | 2002-05-21 |