Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8342435 | Hammer mill hammer | Chad J. Plumb, Todd K. Plumb, Ron R. Ronfeldt, Christine D. Petersen | 2013-01-01 |
| 8104177 | Hammer mill hammer | Chad J. Plumb, Todd K. Plumb, Ron R. Ronfeldt, Christine D. Petersen | 2012-01-31 |