Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632262 | Crane undecking arrangement | David William Olsen, Leroy L. Wittman, Gary W. Kappel | 1986-12-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632262 | Crane undecking arrangement | David William Olsen, Leroy L. Wittman, Gary W. Kappel | 1986-12-30 |