| 12505322 |
Vehicle tracking system using smart-phone as active transponder |
Kent Douglas Gravelle, John Todd Elson, Greg Lantz, Michael Melville |
2025-12-23 |
|
| 12483870 |
Vehicle tracking system using smart-phone as active transponder |
Kent Douglas Gravelle, John Todd Elson, Greg Lantz, Michael Melville |
2025-11-25 |
|
| 12437285 |
Vehicle tracking system for congestion pricing using transponders |
Kent Douglas Gravelle, Yousuf Kamal, Greg Lantz, David Scott, Duane Wrasman +3 more |
2025-10-07 |
|
| 12069552 |
Vehicle tracking system using smart-phone as active transponder |
Kelly Gravelle, John Todd Elson, Greg Lantz, Michael Melville, Yousuf Kamal |
2024-08-20 |
$1,537,000 |
| 12056566 |
Vehicle tracking system using transponders |
Kelly Gravelle, Yousuf Kamal, Greg Lantz, Dale L. Scott, Duane Wrasman +3 more |
2024-08-06 |
$1,206,000 |
| 12015969 |
Vehicle tracking system using smart-phone as active transponder |
Kelly Gravelle, John Todd Elson, Greg Lantz, Michael Melville |
2024-06-18 |
$1,286,000 |
| 11836569 |
Vehicle tracking system using smart-phone as active transponder |
Kelly Gravelle, John Todd Elson, Greg Lantz, Michael Melville |
2023-12-05 |
$1,074,000 |
| 11663427 |
Vehicle tracking system using transponders |
Kelly Gravelle, Yousuf Kamal, Greg Lantz, Dale L. Scott, Duane Wrasman +3 more |
2023-05-30 |
$1,565,000 |
| 11341345 |
Vehicle tracking system using transponders |
Kelly Gravelle, Yousuf Kamal, Greg Lantz, Dale L. Scott, Duane Wrasman +3 more |
2022-05-24 |
$1,502,000 |
| 11323865 |
Vehicle tracking system using smart-phone as active transponder |
Kelly Gravelle, John Todd Elson, Greg Lantz, Michael Melville, Yousuf Kamal |
2022-05-03 |
$1,566,000 |
| 11039284 |
Vehicle tracking system using smart-phone as active transponder |
Kelly Gravelle, John Todd Elson, Greg Lantz, Michael Melville |
2021-06-15 |
$1,794,000 |
| 10769392 |
Vehicle tracking system using transponders |
Kelly Gravelle, Yousuf Kamal, Greg Lantz, Dale L. Scott, Duane Wrasman +3 more |
2020-09-08 |
$834,000 |
| 10708745 |
Vehicle tracking system using smart-phone as active transponder |
Kelly Gravelle, John Todd Elson, Greg Lantz, Michael Melville, Yousuf Kamal |
2020-07-07 |
$825,000 |
| 10134210 |
Vehicle tracking system using smart-phone as active transponder |
Kelly Gravelle, John Todd Elson, Greg Lantz, Michael Melville, Yousuf Kamal |
2018-11-20 |
$1,028,000 |