Granted Patent
Utility
US 5,900,725 · App. 08/981,264
Circuit arrangement for current transformation
Inventor:
Dieter Draxelmayr
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Dec 16, 1997
Inventor
Dieter Draxelmayr
Assignee (at issue)
Siemens Aktiengesellschaft
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.