Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8075069 | Drive tumbler and track drive for mobile vehicles, including lift cranes | Joel D. Zick | 2011-12-13 |
| 7967158 | Mobile lift crane with variable position counterweight | Kenneth J. Porubcansky, Alan E. Pleuss, John M. Lanning | 2011-06-28 |