JK

Johannes Kaulfuss

SE Sennheiser Electronic: 2 patents #98 of 245Top 40%
📍 Nørresundby, DK: #151 of 466 inventorsTop 35%
Overall (All Time): #2,106,703 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7940947 Headphone set Axel Grell 2011-05-10
7292703 Headphones Axel Grell 2007-11-06