Granted Patent
Utility
US 5,150,197 · App. 07/628,944
Die attach structure and method
Inventor:
William Hamburgen
Patented Case
View Patent ↗
Granted: Sep 22, 1992
Filed: Dec 14, 1990
Inventor
William Hamburgen
Assignee (at issue)
Digital Equipment Corporation
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.