Granted Patent
Utility
US 5,945,259 · App. 09/025,260
Method for lead frame etching
Inventor:
Yung J. Kim
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Feb 18, 1998
Inventor
Yung J. Kim
Assignee (at issue)
Samsung Aerospace Industries, 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.