David J. Brace

Delphi Technologies: 1 patents #2,130 of 4,124Top 55%

📍 Grosse Pointe, MI: #86 of 143 inventorsTop 65%

🗺 Michigan: #49,615 of 86,293 inventorsTop 60%

Overall (All Time): #3,526,856 of 4,157,543Top 85%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6639988	Piezo integrated flat speakers for automotive interior panels	Mansour Ashtiani, Charles J. Scheib, Emanuele Bianchini	2003-10-28