Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6585077 | Sound-producing device with acoustic waveguide | Francois Deffarges | 2003-07-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6585077 | Sound-producing device with acoustic waveguide | Francois Deffarges | 2003-07-01 |