Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992676 | Compact tuned acoustic attenuation device | Keat Boon Mah | 2011-08-09 |
| 7976604 | Filter housing with quick release clip adapted to disengage the filter element | — | 2011-07-12 |