CZ

Charles Zehnder

SA Siemens Schweiz Ag: 1 patents #109 of 341Top 35%
📍 Binningen, CH: #99 of 178 inventorsTop 60%
Overall (All Time): #3,540,604 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6370122 Method for monitoring and checking subscriber connections to ISDN Iwan Nussbaumer, Jürg Thimm 2002-04-09