Granted Patent
Utility
US 5,277,549 · App. 07/851,710
Controlled reaction L-2R steam turbine blade
Inventors:
Shun-Fu Chen, Jurek Ferleger
Patented Case
View Patent ↗
Granted: Jan 11, 1994
Filed: Mar 16, 1992
Inventors
Shun-Fu Chen
Jurek Ferleger
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.