Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6024191 | Lift apparatus having an articulated double parallelogram boom assembly | Robert D. Backer | 2000-02-15 |
| 5584356 | Centerline double riser with single lift cylinder and link for a low profile self propelled aerial work platform | — | 1996-12-17 |