Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5533119 | Method and apparatus for sidetone optimization | Paul Joyce | 1996-07-02 |
| 5287013 | Battery compartment safety interlock | — | 1994-02-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5533119 | Method and apparatus for sidetone optimization | Paul Joyce | 1996-07-02 |
| 5287013 | Battery compartment safety interlock | — | 1994-02-15 |