Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7967363 | Rail car cover system | David J. Schaefer, Nathan P. Dimmer, Steven J. Knight, Jerry R. Dimmer, Kevin J. Kleinsasser +1 more | 2011-06-28 |
| 7823515 | Rail car cover system | David J. Schaefer, Nathan P. Dimmer, Steven J. Knight, Jerry R. Dimmer, Kevin J. Kleinsasser +1 more | 2010-11-02 |