Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6948265 | Excavation apparatus | Mark Unzicker | 2005-09-27 |
| 6839991 | Cylindrical cutting element supported on a chain | Dean Whitten, Dan Hawks | 2005-01-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6948265 | Excavation apparatus | Mark Unzicker | 2005-09-27 |
| 6839991 | Cylindrical cutting element supported on a chain | Dean Whitten, Dan Hawks | 2005-01-11 |