Issued Patents 2017
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9769283 | Presence-based operation of devices | Todd Christopher Mason | 2017-09-19 |
| 9681263 | Passive device monitoring using radio frequency signals | David George Butler | 2017-06-13 |
| 9635547 | Systems, devices, and methods for obfuscating location | David George Butler | 2017-04-25 |
| 9552049 | Activating and using device with a grip switch | David George Butler | 2017-01-24 |
| 9549319 | Presence verification within a wireless environment | David George Butler | 2017-01-17 |