Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5771301 | Sound leveling system using output slope control | John D. Winslett | 1998-06-23 |
| 4357488 | Voice discriminating system | Mark S. Knighton, Anson Sims, Ashley G. Howden, L. C. James Kingsbury, Lawrence T. Jones | 1982-11-02 |