Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10158684 | Challenge-response proximity verification of user devices based on token-to-symbol mapping definitions | John Arsenault, Michael A. Ramalho, Jonathan Rosenberg | 2018-12-18 |
| 10141973 | Endpoint proximity pairing using acoustic spread spectrum token exchange and ranging information | Michael A. Ramalho | 2018-11-27 |
| 10003377 | Spread spectrum acoustic communication techniques | Michael A. Ramalho, David A. Benham | 2018-06-19 |