Granted Patent
Utility
US 5,286,676 · App. 07/898,980
Methods of making integrated circuit barrier structures
Inventors:
James B. Kruger, S. Jeffrey Rosner, Iton Wang
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Jun 15, 1992
Inventors
James B. Kruger
S. Jeffrey Rosner
Iton Wang
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.