Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8249461 | Method of and system for positioning first and second devices relative to each other | — | 2012-08-21 |
| 8059846 | Switching device for hearing aid | Peter Spragge | 2011-11-15 |