Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11090671 | Automatic reversible arc sprinkler | Mathew L. Zimmerman, Craig B. Nelson, Chad D. Leinweber | 2021-08-17 |
| 11002394 | Quick connect joint | Mathew L. Zimmerman, Craig B. Nelson, Chad D. Leinweber | 2021-05-11 |