FH

Frank Hagemeyer

SE Sennheiser Electronic: 4 patents #41 of 245Top 20%
Overall (All Time): #1,231,637 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8129963 DC to DC converter Peter Himmelreich 2012-03-06
8049091 Wireless receiver Stefan Thien, Stephan Scherthan 2011-11-01
8026758 FM demodulator 2011-09-27
5900788 Low-noise oscillator circuit having negative feedback 1999-05-04