Granted Patent
Utility
US 4,447,503 · App. 06/249,502
Superalloy coating composition with high temperature oxidation resistance
Inventors:
Louis E. Dardi, Srinivasan Shankar
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: Mar 31, 1981
Inventors
Louis E. Dardi
Srinivasan Shankar
Assignee (at issue)
Howmet Turbine Components Corporation
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.