Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7565757 | Cutting element supported on a chain | Dan Hawks, Mark R. Cooper | 2009-07-28 |
| 7454851 | Cylindrical cutting element supported on a drum | Dan Hawks, Mark R. Cooper | 2008-11-25 |
| 7409785 | Cutting element supported on a chain | Dan Hawks, Mark R. Cooper | 2008-08-12 |
| 7055270 | Cutting element supported on a drum | Dan Hawks, Mark R. Cooper | 2006-06-06 |
| 6839991 | Cylindrical cutting element supported on a chain | Dan Hawks, Mark R. Cooper | 2005-01-11 |
| 6729050 | Control of excavation apparatus | Dan Hawks, Mike Vander Hart, Mark R. Cooper | 2004-05-04 |