Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12133480 | Variable tooth coulter blade with sized inserts | Richard L. Christie | 2024-11-05 |
| 10844908 | Concentrated high-speed rigid hub | Richard L. Christie, John D. Nance | 2020-11-24 |
| 10820462 | Variable tooth coulter blade with sized inserts | Richard L. Christie, John D. Nance | 2020-11-03 |
| 10506754 | Variable tooth coulter blade with sized inserts | Richard L. Christie, John D. Nance | 2019-12-17 |