Granted Patent
Utility
US 5,656,528 · App. 08/353,788
Method of forming a dynamic random access memory
Inventor:
Sven E. Wahlstrom
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: Dec 12, 1994
Inventor
Sven E. Wahlstrom
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.