Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11284225 | Mobile device communication system | David Johnston | 2022-03-22 |
| 10779133 | Mobile device communication system | David Johnston | 2020-09-15 |
| 10455376 | Mobile device communication system | David Johnston | 2019-10-22 |
| 10057733 | Mobile device communication system | David Johnston | 2018-08-21 |
| 9420437 | Mobile device communication system | David Johnston | 2016-08-16 |