Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604786 | Telephone with unified features for hearing and deaf users | Robert M. Engelke, Kevin R. Colwell, Troy Vitek | 1997-02-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604786 | Telephone with unified features for hearing and deaf users | Robert M. Engelke, Kevin R. Colwell, Troy Vitek | 1997-02-18 |