Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10457530 | Lift crane with moveable counterweight | Joseph R. Rucinski | 2019-10-29 |
| 10336589 | Mobile lift crane with variable position counterweight | Kenneth J. Porubcansky | 2019-07-02 |
| 10179722 | Lift crane with improved movable counterweight | Joseph R. Rucinski, Joel D. Zick, Bronson E. Foust, Charles E. Wernecke | 2019-01-15 |