Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11160396 | Adjustable pillow | Robert Phillips | 2021-11-02 |
| D376372 | Skid steer loader | Constantine J. Kermes, Russell W. Strong | 1996-12-10 |
| D341365 | Tractor cowling | Wayne B. Martenas, Kenneth R. Fowler, David Michael Lechkun, Richard J. Schierloh | 1993-11-16 |
| D340728 | Tractor cowling with side panels | Wayne B. Martenas, Kenneth R. Fowler, David Michael Lechkun, Richard J. Schierloh | 1993-10-26 |