Granted Patent
Utility
US 5,056,989 · App. 07/591,000
Stage replacement blade ring flow guide
Inventors:
Joseph T. Turner, Anthony F. Ganci, Vernon J. Musko, George J. Silvestri, Jr.
Patented Case
View Patent ↗
Granted: Oct 15, 1991
Filed: Oct 1, 1990
Inventors
Joseph T. Turner
Anthony F. Ganci
Vernon J. Musko
George J. Silvestri, Jr.
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.