Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6951265 | Foldable stairway ladder | William F. Frame | 2005-10-04 |
| D506858 | Combined ladder-cart | Ronald Bernard, William F. Frame | 2005-06-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6951265 | Foldable stairway ladder | William F. Frame | 2005-10-04 |
| D506858 | Combined ladder-cart | Ronald Bernard, William F. Frame | 2005-06-28 |