Granted Patent
Utility
US 5,493,140 · App. 08/262,831
Nonvolatile memory cell and method of producing the same
Inventor:
Katsuji Iguchi
Patented Case
View Patent ↗
Granted: Feb 20, 1996
Filed: Jun 21, 1994
Inventor
Katsuji Iguchi
Assignee (at issue)
SHARP KABUSHIKI KAISHA
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.