Granted Patent
Utility
US 6,580,348 · App. 09/914,019
Flat magnetic core
Inventors:
Harald Hundt, Johannes Beichler
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Dec 10, 2001
Inventors
Harald Hundt
Johannes Beichler
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.