Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11332073 | Proximity warning system for parked vehicles | Jeffrey Powell Butler, Kelly E. Stephenson | 2022-05-17 |
| 11142269 | Mobility-assist hybrid conversion vehicles and methods of manufacturing the same | Michael L. Perez, Kirsten Nichole Mangum, Steven Paul Ungetheim | 2021-10-12 |
| 11142270 | Mobility-assist hybrid conversion vehicles and methods of manufacturing the same | Michael L. Perez, Kirsten Nichole Mangum, Steven Paul Ungetheim | 2021-10-12 |
| 10994795 | Mobility-assist hybrid conversion vehicles and methods of manufacturing the same | Michael L. Perez, Kirsten Nichole Mangum, Steven Paul Ungetheim | 2021-05-04 |
| 10850665 | Proximity warning system for parked vehicles | Jeffrey Powell Butler, Kelly E. Stephenson | 2020-12-01 |
| 10106170 | Vehicle ramp control system | Steven Paul Ungetheim | 2018-10-23 |