Granted Patent
Utility
US 5,222,040 · App. 07/625,807
Single transistor EEPROM memory cell
Inventor:
Nagesh Challa
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Dec 11, 1990
Inventor
Nagesh Challa
Assignee (at issue)
Nexcom Technology, Inc.
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.