Granted Patent
Utility
US 5,969,979 · App. 08/952,898
Ferroelectric memory device
Inventor:
Hiroshige Hirano
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Nov 25, 1997
Inventor
Hiroshige Hirano
Assignee (at issue)
Matsushita Electronics Corporation
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.