Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7484587 | Operator control station for controlling different work machines | James I. Portscheller, Wayne J. Wulfert | 2009-02-03 |
| 7032703 | Operator control station for controlling different work machines | Wayne J. Wulfert, James I. Portscheller, Lyle E. York | 2006-04-25 |