Granted Patent
Utility
US 5,412,238 · App. 07/941,745
Source-coupling, split-gate, virtual ground flash EEPROM array
Inventor:
Ming-Bing Chang
Patented Case
View Patent ↗
Granted: May 2, 1995
Filed: Sep 8, 1992
Inventor
Ming-Bing Chang
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.