Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9926174 | Hoist rope installation device for crane boom | — | 2018-03-27 | |
| 4446976 | Reversible outrigger crane support | David S. Langerud, Brian H. Thomas | 1984-05-08 | $8,057,000 |