Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5802183 | BTE assistive listening receiver with interchangeable crystals | Scott Posner, Art Johnson, Pat Henry, Irene Teske, Mark A. Gilbertson | 1998-09-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5802183 | BTE assistive listening receiver with interchangeable crystals | Scott Posner, Art Johnson, Pat Henry, Irene Teske, Mark A. Gilbertson | 1998-09-01 |