Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10005506 | Suspension arrangements for vehicles | Gerald Ball | 2018-06-26 |
| 9346518 | Snowmobile suspension systems | Stephen E. Polakowski, Cody McKinney | 2016-05-24 |
| 8967346 | Multi-stage telescopic shock absorber | Stephen E. Polakowski, Steven G. Mattson, David Labyak | 2015-03-03 |
| 8360449 | Suspension assemblies and systems for land vehicles | Stephen E. Polakowski, Jeffrey Edward Pruetz | 2013-01-29 |
| 8167073 | Snowmobile rear suspension system | Stephen E. Polakowski, Steven G. Mattson | 2012-05-01 |
| 7594557 | Snowmobile rear suspension system | Stephen E. Polakowski, Steven G. Mattson | 2009-09-29 |