Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 12437285 | Vehicle tracking system for congestion pricing using transponders | Kent Douglas Gravelle, Yousuf Kamal, Greg Lantz, Paul Hamel, David Scott +3 more | 2025-10-07 | |
| 12056566 | Vehicle tracking system using transponders | Kelly Gravelle, Yousuf Kamal, Greg Lantz, Paul Hamel, Dale L. Scott +3 more | 2024-08-06 | $1,206,000 |
| 11663427 | Vehicle tracking system using transponders | Kelly Gravelle, Yousuf Kamal, Greg Lantz, Paul Hamel, Dale L. Scott +3 more | 2023-05-30 | $1,565,000 |
| 11341345 | Vehicle tracking system using transponders | Kelly Gravelle, Yousuf Kamal, Greg Lantz, Paul Hamel, Dale L. Scott +3 more | 2022-05-24 | $1,502,000 |
| 10769392 | Vehicle tracking system using transponders | Kelly Gravelle, Yousuf Kamal, Greg Lantz, Paul Hamel, Dale L. Scott +3 more | 2020-09-08 | $834,000 |