Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6928684 | Airport bridge and lift | William Ratliff | 2005-08-16 |
| 6658685 | Airport bridge and lift | William Ratliff, James H. Angel, William Dorrough | 2003-12-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6928684 | Airport bridge and lift | William Ratliff | 2005-08-16 |
| 6658685 | Airport bridge and lift | William Ratliff, James H. Angel, William Dorrough | 2003-12-09 |