Granted Patent
Utility
US 4,873,664 · App. 07/013,746
Self restoring ferroelectric memory
Inventor:
S. Sheffield Eaton, Jr.
Patented Case
View Patent ↗
Granted: Oct 10, 1989
Filed: Feb 12, 1987
Inventor
S. Sheffield Eaton, Jr.
Assignee (at issue)
Ramtron 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.