FU

Frank Urbigkeit

SA Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
Overall (All Time): #3,708,635 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5596470 Fault current protection circuit for an auxiliary device in a digital telephone system — 1997-01-21