Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10368166 | Voltage regulator and control circuit for silver-zinc batteries in hearing instruments | Troy W. Renken, Timothy W. Powers | 2019-07-30 |
| 10057695 | Hearing aid battery door module | Troy W. Renken, Timothy W. Powers | 2018-08-21 |