Granted Patent
Utility
US 5,346,842 · App. 07/830,938
Method of making alternate metal/source virtual ground flash EPROM cell array
Inventor:
Albert Bergemont
Patented Case
View Patent ↗
Granted: Sep 13, 1994
Filed: Feb 4, 1992
Inventor
Albert Bergemont
Assignee (at issue)
NATIONAL SEMICONDUCTOR 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.