Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632262 | Crane undecking arrangement | Leroy L. Wittman, Marvin E. Evenson, Gary W. Kappel | 1986-12-30 |
| 4601401 | Centering arrangement for redecking of crane upper | Leroy L. Wittman | 1986-07-22 |
| 4523686 | Anti-two block system | Donald E. Moore | 1985-06-18 |