Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11339553 | Cab viscous mount | Patrick J. Mulligan, Michael R. Tigges, Joseph F. Tilp | 2022-05-24 |
| 10647364 | Vehicle cab tilt apparatus | Joseph F. Tilp, Leonard Keith Mast, Stephen R. Lovas | 2020-05-12 |
| 8827348 | Self locking and unlocking hinge | — | 2014-09-09 |