Granted Patent
Utility
US 5,080,558 · App. 07/534,565
Control stage nozzle vane for use in partial arc operation
Inventor:
Mank H. Tran
Patented Case
View Patent ↗
Granted: Jan 14, 1992
Filed: Jun 7, 1990
Inventor
Mank H. Tran
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.