Granted Patent
Utility
US 5,711,893 · App. 08/546,928
Ni-Cu-Zn ferrite
Inventor:
Jonghak Park
Patented Case
View Patent ↗
Granted: Jan 27, 1998
Filed: Oct 23, 1995
Inventor
Jonghak Park
Assignee (at issue)
SAMSUNG CORNING CO., LTD.
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.