Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10422402 | Damper assembly | Chad K. Zeilenga, David A. Doornbos, Steven L. Bivens | 2019-09-24 |
| 8925696 | Viscous strand damper assembly | Chad K. Zeilenga, David A. Doornbos, Steven L. Bivens | 2015-01-06 |
| 8079450 | Viscous strand damper assembly | Chad K. Zeilenga, Joseph J. Bella, David A. Doornbos | 2011-12-20 |