Granted Patent
Utility
US 5,510,173 · App. 08/110,350
Multiple layer thin films with improved corrosion resistance
Inventors:
Thomas Pass, Floyd E. Woodard
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Aug 20, 1993
Inventors
Thomas Pass
Floyd E. Woodard
Assignee (at issue)
Southwall Technologies 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.