Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7942240 | Silencer for internal combustion engine | — | 2011-05-17 |
DO
Douglas M. Olsen
Overall (2011): #313,213 of 364,097Top 90%
1
Patents 2011