Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12335437 | Device independent text captioned telephone service | Robert M. Engelke, Kevin R. Colwell | 2025-06-17 |
| 12244752 | Text assisted telephony on wireless device method and apparatus | Christopher Engelke, Kevin R. Colwell | 2025-03-04 |
| 12231600 | Dual compatibility phone system | Robert M. Engelke, Kevin R. Colwell | 2025-02-18 |