Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8068630 | Precision micro-hole for extended life batteries | Ross G. Baker, Jr., Tom O'Hara | 2011-11-29 |
| 7991174 | Hearing aid battery barrier | Timothy Cuongdung Huynh, Sunder Ram | 2011-08-02 |
| 7876919 | Hearing aid microphone protective barrier | Sunder Ram, Dean Johnson, Michael Ipsen, Ian Day | 2011-01-25 |