Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6523640 | Undercarriage for mobile ladders and platforms | David T. Young | 2003-02-25 |
| 6283249 | Mobile ladder with lifting tray | David T. Young | 2001-09-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6523640 | Undercarriage for mobile ladders and platforms | David T. Young | 2003-02-25 |
| 6283249 | Mobile ladder with lifting tray | David T. Young | 2001-09-04 |