Granted Patent
Utility
US 5,861,698 · App. 08/819,433
Generator rotor with ring key that reduces tooth top stress
Inventor:
Robert L. Murphy
Patented Case
View Patent ↗
Granted: Jan 19, 1999
Filed: Mar 17, 1997
Inventor
Robert L. Murphy
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.