Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322113 | Excavating machines for excavating rock and minerals having first and second alternative modes of control | Joseph Dowell, Francis A. Haskew | 1982-03-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322113 | Excavating machines for excavating rock and minerals having first and second alternative modes of control | Joseph Dowell, Francis A. Haskew | 1982-03-30 |