Granted Patent
Utility
US 4,830,974 · App. 07/142,641
EPROM fabrication process
Inventors:
Chung-Chen CHANG, Cheng-Chia Wu
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: Jan 11, 1988
Inventors
Chung-Chen CHANG
Cheng-Chia Wu
Assignee (at issue)
Atmel 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.