Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804903 | Excavator with trenching attachment | — | 2004-10-19 |
| 6729050 | Control of excavation apparatus | Dean Whitten, Dan Hawks, Mike Vander Hart | 2004-05-04 |
| 6725579 | Excavation apparatus | Mark Unzicker | 2004-04-27 |