Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10212525 | Universal earpiece | Lawrence T. Hagen, Randall W. Roberts, Margaret V. Nilson | 2019-02-19 |
| 9398362 | Universal earpiece | Lawrence T. Hagen, Randall W. Roberts, Margaret V. Nilson | 2016-07-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10212525 | Universal earpiece | Lawrence T. Hagen, Randall W. Roberts, Margaret V. Nilson | 2019-02-19 |
| 9398362 | Universal earpiece | Lawrence T. Hagen, Randall W. Roberts, Margaret V. Nilson | 2016-07-19 |