Granted Patent
Utility
US 6,154,388 · App. 09/283,572
Security circuit for semiconductor memory and method for protecting stored data using the same
Inventor:
Hyung Seog Oh
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: Apr 1, 1999
Inventor
Hyung Seog Oh
Assignee (at issue)
Hyundai Electronics Industries Co. Ltd.
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.