Granted Patent
Utility
US 6,274,455 · App. 09/219,529
Method for isolating semiconductor device
Inventor:
Su Jin Seo
Patented Case
View Patent ↗
Granted: Aug 14, 2001
Filed: Dec 23, 1998
Inventor
Su Jin Seo
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.