Granted Patent
Utility
US 4,355,455 · App. 06/207,653
Method of manufacture for self-aligned floating gate memory cell
Inventor:
Charles E. Boettcher
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: Nov 17, 1980
Inventor
Charles E. Boettcher
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.