Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12069552 | Vehicle tracking system using smart-phone as active transponder | Kelly Gravelle, John Todd Elson, Greg Lantz, Michael Melville, Paul Hamel | 2024-08-20 |
| 12056566 | Vehicle tracking system using transponders | Kelly Gravelle, Greg Lantz, Paul Hamel, Dale L. Scott, Duane Wrasman +3 more | 2024-08-06 |
| 11663427 | Vehicle tracking system using transponders | Kelly Gravelle, Greg Lantz, Paul Hamel, Dale L. Scott, Duane Wrasman +3 more | 2023-05-30 |
| 11341345 | Vehicle tracking system using transponders | Kelly Gravelle, Greg Lantz, Paul Hamel, Dale L. Scott, Duane Wrasman +3 more | 2022-05-24 |
| 11323865 | Vehicle tracking system using smart-phone as active transponder | Kelly Gravelle, John Todd Elson, Greg Lantz, Michael Melville, Paul Hamel | 2022-05-03 |
| 10769392 | Vehicle tracking system using transponders | Kelly Gravelle, Greg Lantz, Paul Hamel, Dale L. Scott, Duane Wrasman +3 more | 2020-09-08 |
| 10708745 | Vehicle tracking system using smart-phone as active transponder | Kelly Gravelle, John Todd Elson, Greg Lantz, Michael Melville, Paul Hamel | 2020-07-07 |
| 10134210 | Vehicle tracking system using smart-phone as active transponder | Kelly Gravelle, John Todd Elson, Greg Lantz, Michael Melville, Paul Hamel | 2018-11-20 |