Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9688327 | Auxiliary axle and suspension assembly | Richard Conaway, Daniel R. Dykstra, Marc Johnson, Doug Thole | 2017-06-27 |
| 9481416 | Auxiliary axle and suspension assembly | Richard Conaway, Daniel R. Dykstra, Marc Johnson, Doug Thole | 2016-11-01 |
| 9290221 | Auxiliary axle and suspension assembly | Richard Conaway, Daniel R. Dykstra, Marc Johnson, Doug Thole | 2016-03-22 |
| 8967639 | Auxiliary axle and suspension assembly | Richard Conaway, Daniel R. Dykstra, Marc Johnson, Doug Thole | 2015-03-03 |