Granted Patent
Utility
US 5,720,596 · App. 08/778,923
Apparatus and method for locking blades into a rotor
Inventor:
Michael Barton Pepperman
Patented Case
View Patent ↗
Granted: Feb 24, 1998
Filed: Jan 3, 1997
Inventor
Michael Barton Pepperman
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.