KK

Karl Heinz Köppen

📍 Sterkrade, DE: #10 of 24 inventorsTop 45%
Overall (All Time): #3,543,773 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6385324 Broadband loudspeaker — 2002-05-07