Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5481599 | Automated audio output device for a telephone set | Douglas L. Turner | 1996-01-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5481599 | Automated audio output device for a telephone set | Douglas L. Turner | 1996-01-02 |