Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12382857 | Agricultural equipment with acoustic/vibration sensor and signal processing system | Gerald E. Rains, Cary S. Hubner, Houstin L. LICHTENWALNER, Bran Ferren | 2025-08-12 |
| 11950526 | Seeding system with vertical array of nozzles | Stanley R. Borkgren, William Douglas Graham, Terry L. Snipes, Elijah B. Garner, Robert T. Casper +1 more | 2024-04-09 |
| 10568256 | Seeding system | Michael E. Frasier | 2020-02-25 |
| 10492359 | Seeding system | Stanley R. Borkgren, William Douglas Graham, Terry L. Snipes, Elijah B. Garner, Robert T. Casper +1 more | 2019-12-03 |
| 9814173 | Seeding system | Michael E. Frasier | 2017-11-14 |
| 7104204 | Automatic pneumatic seal between frame members | — | 2006-09-12 |
| 7017502 | Pneumatic plug for a seed meter | Dale Quam | 2006-03-28 |
| 6725788 | Pneumatic coupler for an agricultural seeding machine | Robert W. Martin, Nathan A. Mariman, Donald K. Landphair | 2004-04-27 |
| 6378621 | Lift tube for an agricultural implement frame | William Douglas Graham, William Howard Smith, Patrick M. Buckley, Robert Bennett | 2002-04-30 |