Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7926671 | Powered auxiliary hoist mechanism | Jerry J. Wierzba | 2011-04-19 |
| 7913864 | Panel turner for a gantry crane | Jerry J. Wierzba | 2011-03-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7926671 | Powered auxiliary hoist mechanism | Jerry J. Wierzba | 2011-04-19 |
| 7913864 | Panel turner for a gantry crane | Jerry J. Wierzba | 2011-03-29 |