Granted Patent
Utility
US 5,407,733 · App. 07/753,714
Electrically-conductive, light-attenuating antireflection coating
Inventors:
Erik J. Bjornard, Debra M. Steffenhagen, R. Russel Austin
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Sep 3, 1991
Inventors
Erik J. Bjornard
Debra M. Steffenhagen
R. Russel Austin
Assignee (at issue)
Viratec Thin Films, 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.