Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305446 | Powered door system | Bradley J. Poikonen | 2025-05-20 |
| 11420818 | Movable cover for fluid containment tanks | Brad Poikonen, John E. Schwartz | 2022-08-23 |
| 9278593 | Articulating vehicle bellows | — | 2016-03-08 |
| 7297392 | Bellows with molded panels | Steven D. Day, Gary E. Mattson | 2007-11-20 |
| 6986938 | Bellows with molded panels | Steven D. Day, Gary E. Mattson | 2006-01-17 |