Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7940939 | Vehicle trunk woofer | Michael Rosen | 2011-05-10 |
| 5889875 | Electroacoustical transducing | Gerald F. Caron, Finn A. Arnold | 1999-03-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7940939 | Vehicle trunk woofer | Michael Rosen | 2011-05-10 |
| 5889875 | Electroacoustical transducing | Gerald F. Caron, Finn A. Arnold | 1999-03-30 |