Granted Patent
Utility
US 6,686,651 · App. 09/996,226
Multi-layer leadframe structure
Inventor:
Donald C. Foster
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Nov 27, 2001
Inventor
Donald C. Foster
Assignee (at issue)
Amkor Technology, Inc.
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.