DD

David E. Duehren

📍 Needham, MA: #548 of 796 inventorsTop 70%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,437,567 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7155385 Automatic gain control for adjusting gain during non-speech portions Alexander Berestesky 2006-12-26