Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8005249 | Ear canal signal converting method, ear canal transducer and headset | Lauri Aarne Johannes Wirola | 2011-08-23 |
LK
Leo Karkkainen
Overall (2011): #235,348 of 364,097Top 65%
1
Patents 2011