Granted Patent
Utility
US 5,670,823 · App. 08/671,105
Integrated circuit barrier structure
Inventors:
James B. Kruger, S. Jeffrey Rosner, Iton Wang
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Jun 28, 1996
Inventors
James B. Kruger
S. Jeffrey Rosner
Iton Wang
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.