Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11441345 | System for adjusting the counterbalance of an overhead door | David R. Hall, Jerome Miles, David Groesbeck | 2022-09-13 |
| 11331970 | Weight distribution hitch | David R. Hall, Chandler Flinders | 2022-05-17 |
| 11227451 | Monitoring system for determining a vehicle maintenance condition based on weight | David R. Hall, Seth Myer | 2022-01-18 |