Granted Patent
Utility
US 4,376,004 · App. 06/197,318
Method of manufacturing a transpiration cooled ceramic blade for a gas turbine
Inventors:
Raymond J. Bratton, Clarence A. Andersson
Patented Case
View Patent ↗
Granted: Mar 8, 1983
Filed: Oct 15, 1980
Inventors
Raymond J. Bratton
Clarence A. Andersson
Assignee (at issue)
Westinghouse Electric Company LLC
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.