Granted Patent
Utility
US 6,331,947 · App. 09/678,456
Non-volatile MOS RAM cell with capacitor-isolated nodes that are radiation accessible for rendering a non-permanent programmed information in the cell a non-volatile one
Inventors:
Franciscus Petrus Widdershoven, Anne Johan Annema, Maurits Mario Nicolaas Storms, Marcellinus J. M. Pelgrom
Patented Case
View Patent ↗
Granted: Dec 18, 2001
Filed: Oct 3, 2000
Inventors
Franciscus Petrus Widdershoven
Anne Johan Annema
Maurits Mario Nicolaas Storms
Marcellinus J. M. Pelgrom
Assignee (at issue)
U.S. Philips 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.