Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639988 | Piezo integrated flat speakers for automotive interior panels | Mansour Ashtiani, Charles J. Scheib, Emanuele Bianchini | 2003-10-28 |
DB
David J. Brace
Overall (All Time): #3,526,856 of 4,157,543Top 85%
1
Patents All Time