Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778674 | Hearing assist device with directional detection and sound modification | Carl M. Panasik, Thomas M. Siep, Trudy D. Stetzler | 2004-08-17 |
| 6754355 | Digital hearing device, method and system | Trudy D. Stetzler, Tod D. Wolf | 2004-06-22 |