Granted Patent
Utility
US 5,328,870 · App. 07/973,354
Method for forming plastic molded package with heat sink for integrated circuit devices
Inventor:
Robert C. Marrs
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Nov 9, 1992
Inventor
Robert C. Marrs
Assignee (at issue)
Amkor Electronics, 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.