Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456720 | Flexible circuit board assembly for a hearing aid | Owen D. Brimhall, Carl E. Ellis, Craig M. Collotzi | 2002-09-24 |
| 6382346 | Retention and extraction device for a hearing aid | Owen D. Brimhall, Carl E. Ellis | 2002-05-07 |