Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913696 | Self-fitting device for location in an ear canal | Ricky W. Purcell | 2011-03-29 |
| 7886745 | Self-fitting device for location in an ear canal | Ricky W. Purcell, Scott M. Belliveau, Thomas Wozny | 2011-02-15 |