Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9844979 | Wheel assembly seal | Derek L. Hansen, Kenneth P. Pitman | 2017-12-19 |
| 9415632 | Wheel assembly seal | Derek L. Hansen, Kenneth P. Pitman | 2016-08-16 |
| 9259965 | Wheel assembly seal | Derek L. Hansen, Kenneth P. Pitman | 2016-02-16 |