Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8290191 | Adapter shoe and a combination of adapter shoe and hearing aid | — | 2012-10-16 |
| 7715580 | Interchangeable attachment means for attaching a conductor to a hearing aid | — | 2010-05-11 |
| 6010017 | Modular dispenser and display system | Jack H. Michaelis, Russ Floyd Barnes, Donald W. Wendel | 2000-01-04 |