Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10051120 | Communication device and methods for use by hearing impaired | Robert M. Engelke, Kevin R. Colwell | 2018-08-14 |
| 10021229 | 911 call assistance for assisted device user | Robert M. Engelke, Kevin R. Colwell | 2018-07-10 |
| 10015311 | Device independent text captioned telephone service | Robert M. Engelke, Kevin R. Colwell | 2018-07-03 |
| 9955007 | Dual compatibility phone system | Robert M. Engelke, Kevin R. Colwell | 2018-04-24 |