FU

Frank Urbigkeit

SA Siemens Aktiengesellschaft: 1 patents #149 of 792Top 20%
Overall (1997): #185,299 of 185,788Top 100%
1
Patents 1997

Issued Patents 1997

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