Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11191207 | Commodity metering system for work vehicle and calibration method for same | Robert T. Casper, William Douglas Graham | 2021-12-07 |
| 11140811 | Commodity metering system for work vehicle with rollers in staggered arrangement | Michael E. Frasier, Robert T. Casper, William Douglas Graham | 2021-10-12 |
| 10920856 | Commodity metering system for work vehicle with transverse drive for metering element | — | 2021-02-16 |