Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11172274 | Retrofit vehicle sensor | David William King, Alexander Schwarz, Stephen John Hunter | 2021-11-09 |
| 11132723 | Parking meter communications for remote payment with updated display | David William King | 2021-09-28 |
| 11100824 | Video display cap for parking pay station | David William King, Alexander Schwarz | 2021-08-24 |
| 11074612 | Location-aware advertising to vending machine users | David William King | 2021-07-27 |