Granted Patent
Utility
US 5,581,501 · App. 08/516,061
Nonvolatile SRAM cells and cell arrays
Inventors:
James D. Sansbury, Raminda Udaya Madurawe
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: Aug 17, 1995
Inventors
James D. Sansbury
Raminda Udaya Madurawe
Assignee (at issue)
Altera 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.