Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D879258 | Quick connection coupler | Mathew L. Zimmerman, Craig B. Nelson, Chad D. Leinweber | 2020-03-24 |
| 10562056 | Scrubber filter assembly for control valve on a water supply pipe in an irrigation system | Mathew L. Zimmerman, Craig B. Nelson | 2020-02-18 |