Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632262 | Crane undecking arrangement | David William Olsen, Marvin E. Evenson, Gary W. Kappel | 1986-12-30 |
| 4601401 | Centering arrangement for redecking of crane upper | David William Olsen | 1986-07-22 |
| 4582205 | Modularized pedestal-mount crane and method of disassembly | Gerald P. Berger, Frank S. Foster, IV, Lyle B. Jensen | 1986-04-15 |
| 4483448 | Heavy duty crane | Lyle B. Jensen | 1984-11-20 |
| 4421241 | Removable live mast and hoist unit | Lyle B. Jensen | 1983-12-20 |
| 4394911 | Heavy duty crane | Lyle B. Jensen | 1983-07-26 |
| 4273244 | Crane upperstructure self-transferring system | Lyle B. Jensen | 1981-06-16 |