Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12382864 | Heads for string trimmers and mowers | Robert J. Ruppel, Matthew Michael Oestreich | 2025-08-12 |
| 12291926 | Auger with anchoring device and durable bit attachment | Tyler Michael Tetzlaff, Brandon Venzke | 2025-05-06 |
| 11968924 | Heads for string trimmers and mowers | Robert J. Ruppel, Matthew Michael Oestreich | 2024-04-30 |