Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12329058 | Planter with high speed seed delivery apparatus | Matthew J. Wilhelmi, Dustan Hahn, Philip Willis, Dalton McDowell, Gary Newell | 2025-06-17 |
| 12102032 | Mount for agricultural implement | Matthew J. Wilhelmi, David Allen Stauffer, Chris McElvain, Gary Newell, Dalton McDowell | 2024-10-01 |
| 11730079 | Planter with high speed seed delivery apparatus | Matthew J. Wilhelmi, Dustan Hahn, Philip Willis, Dalton McDowell, Gary Newell | 2023-08-22 |
| 10842072 | Planter with high speed seed delivery apparatus | Matthew J. Wilhelmi, Dustan Hahn, Philip Willis, Dalton McDowell, Gary Newell | 2020-11-24 |
| 4766640 | Self-propelled upright vacuum cleaner having a remotely disposed transmission and a positive locking mechanism | Roderick Kleiss, James A. Hardy | 1988-08-30 |
| 4624027 | Movable handle structure for control of self-propelled vacuum cleaner | — | 1986-11-25 |