NW

Norbert Wirges

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #3,640,275 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5864256 Circuit arrangement with a filter quadripole Burkhard Dick, Manfred Biehl, Winfried Jansen, Bernd Pille 1999-01-26