Granted Patent
Utility
US 5,168,464 · App. 07/442,809
Nonvolatile differential memory device and method
Inventors:
Carl M. Stanchak, Raymond A. Turi, James P. Yakura
Patented Case
View Patent ↗
Granted: Dec 1, 1992
Filed: Nov 29, 1989
Inventors
Carl M. Stanchak
Raymond A. Turi
James P. Yakura
Assignee (at issue)
NCR 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.