Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9743152 | Systems, methods and apparatus for transmitting data over a voice channel of a wireless telephone network | William Michael Beals | 2017-08-22 |
| 8867571 | Systems, methods and apparatus for transmitting data over a voice channel of a wireless telephone network | William Michael Beals | 2014-10-21 |
| 8717971 | Systems, methods and apparatus for transmitting data over a voice channel of a wireless telephone network using multiple frequency shift-keying modulation | — | 2014-05-06 |
| 8340656 | Systems and methods for synchronizing data transmission over a voice channel of a telephone network | William Michael Beals | 2012-12-25 |
| 8200482 | Systems, methods and apparatus for transmitting data over a voice channel of a telephone network using linear predictive coding based modulation | — | 2012-06-12 |