Granted Patent
Utility
US 5,252,915 · App. 07/824,392
Method and apparatus for detecting stator faults in rotary dynamoelectric machines
Inventors:
Howard G. Sedding, Blake A. Lloyd, James Penman
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: Jan 23, 1992
Inventors
Howard G. Sedding
Blake A. Lloyd
James Penman
Assignee (at issue)
Ontario Hydro
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.