Granted Patent
Utility
US 4,853,893 · App. 07/069,389
Data storage device and method of using a ferroelectric capacitance divider
Inventors:
S. Sheffield Eaton, Jr., Michael C. Parris
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: Jul 2, 1987
Inventors
S. Sheffield Eaton, Jr.
Michael C. Parris
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.