FK

Fred Koenecke

SE Sennheiser Electronic: 3 patents #59 of 245Top 25%
📍 Bad Doberan, DE: #11 of 36 inventorsTop 35%
Overall (All Time): #1,579,070 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7639832 Headphones Wolfgang Mann, Axel Grell 2009-12-29
D582341 Rechargeable battery — 2008-12-09
D540311 Headphone container — 2007-04-10