Granted Patent
Utility
US 6,818,313 · App. 10/202,589
Corrosion-inhibiting coating
Inventors:
Andrew Wells Phelps, Jeffrey Allen Sturgill
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Jul 24, 2002
Inventors
Andrew Wells Phelps
Jeffrey Allen Sturgill
Assignee (at issue)
UNIVERSITY OF DAYTON
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.