Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10462582 | Hearing aid and hearing aid dual use dongle | Frederick Charles Neumeyer, Russell J. Apfel | 2019-10-29 |
| 10462583 | Listening device with automatic mode change capabilities | Frederick Charles Neumeyer, Gregory Charles Yancey | 2019-10-29 |