Granted Patent
Utility
US 6,507,262 · App. 09/831,800
Magnetic core that is suitable for use in a current transformer, method for the production of a magnetic core and current transformer with a magnetic core
Inventors:
Detlef Otte, Jörg Petzold
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Aug 15, 2001
Inventors
Detlef Otte
Jörg Petzold
Assignee (at issue)
Vacuumschmelze GmbH & Co. KG
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.