Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10865079 | Mobile lift crane with variable position counterweight | Kenneth J. Porubcansky | 2020-12-15 |
| 10647555 | Lift crane with improved movable counterweight | Joseph R. Rucinski, Joel D. Zick, Bronson E. Foust, Charles E. Wernecke | 2020-05-12 |