Axel Grell

SE Sennheiser Electronic: 1 patents #5 of 17Top 30%

📍 Burgdorf, DE: #2 of 11 inventorsTop 20%

Overall (2011): #347,876 of 364,097Top 100%

Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7940947	Headphone set	Johannes Kaulfuss	2011-05-10