Granted Patent
Utility
US 5,981,091 · App. 08/837,219
Article including thermal barrier coated superalloy substrate
Inventors:
David S. Rickerby, Stanley R. Bell, Rodney G. Wing
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Apr 22, 1997
Inventors
David S. Rickerby
Stanley R. Bell
Rodney G. Wing
Assignees (at issue)
ROLLS-ROYCE plc
Chromalloy United Kingdom Limited
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.