Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12249187 | Parking meter system | Thomas G. Hudson, Joseph M. Caldwell | 2025-03-11 |
| 12142085 | Parking meter system | Thomas G. Hudson, Joseph M. Caldwell | 2024-11-12 |
| 11688205 | Parking meter system | Thomas G. Hudson, Joseph M. Caldwell | 2023-06-27 |
| 11257302 | Parking meter system | Thomas G. Hudson, Joseph M. Caldwell | 2022-02-22 |
| 10685501 | Parking meter system | Thomas G. Hudson, Joseph M. Caldwell | 2020-06-16 |
| 10424125 | Parking meter system | Thomas G. Hudson, Joseph M. Caldwell | 2019-09-24 |
| 10134201 | Parking meter system | Thomas G. Hudson, Joseph M. Caldwell | 2018-11-20 |
| 10121172 | Parking lot monitoring system | Thomas G. Hudson, Joseph M. Caldwell, Nataliia Danko | 2018-11-06 |
| 9773351 | Parking meter system | Thomas G. Hudson, Joseph M. Caldwell | 2017-09-26 |