Issued Patents 2021
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11190637 | Captioned telephone service | Kevin R. Colwell, Troy Vitek | 2021-11-30 |
| 11153432 | Dual compatibility phone system | Kevin R. Colwell, Troy Vitek | 2021-10-19 |
| 11070669 | Communication device and methods for use by hearing impaired | Kevin R. Colwell, Troy Vitek | 2021-07-20 |
| 11064070 | Communication device and methods for use by hearing impaired | Kevin R. Colwell, Troy Vitek | 2021-07-13 |
| 11005991 | Captioned telephone service | Kevin R. Colwell, Troy Vitek | 2021-05-11 |
| 10972604 | Device independent text captioned telephone service | Kevin R. Colwell, Troy Vitek | 2021-04-06 |
| 10917519 | Semiautomated relay method and apparatus | Kevin R. Colwell, Christopher Engelke, Robert P Leistiko | 2021-02-09 |