Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11904501 | Mobile aggregate hopper with arcuate side walls | Greg Koppelaar, Kevin Koppelaar, Mark Pennings, Ron Dorombozi, Gregory D. Gall | 2024-02-20 |
| 11518065 | Mobile aggregate hopper with arcuate side walls | Greg Koppelaar, Kevin Koppelaar, Mark Pennings, Ron Dorombozi, Gregory D. Gall | 2022-12-06 |