Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12083409 | Sit skis and sit ski assemblies | Henri Durand, Kenneth M. Brown | 2024-09-10 |
| 9027937 | Electronically adjustable damper and system | Jeffrey S. Ryan, David Holden, Jeffrey L. Peterson, James M. Wyler, Andrew M. Wizorek | 2015-05-12 |
| 8991841 | Air spring, air strut and air suspension system with a linearized spring rate | David Holden, Andrew M. Wizorek | 2015-03-31 |
| 8902055 | Rollover warning system for a vehicle | David Holden, David C. Nelson, Mark A. Nelson, James M. Wyler | 2014-12-02 |
| 8167318 | Hydraulic anti-roll system | Jeffrey S. Ryan, David Holden, Jeff L. Peterson, Seth D. Chavka | 2012-05-01 |