RK

Roger S. Keller

📍 Berkeley, CA: #2,417 of 3,731 inventorsTop 65%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,500,028 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6507659 Microphone apparatus for producing signals for surround reproduction John J. Iredale 2003-01-14