Granted Patent
Utility
US 5,896,258 · App. 08/978,477
Oil circuit recloser operator
Inventors:
Ross Alexander Cotton, Brian J. Holmes, Jack Robert Strikwerda, Larry William Lynn, Barry Scott Mitchell, Peter Morrill
Patented Case
View Patent ↗
Granted: Apr 20, 1999
Filed: Nov 25, 1997
Inventors
Ross Alexander Cotton
Brian J. Holmes
Jack Robert Strikwerda
Larry William Lynn
Barry Scott Mitchell
Peter Morrill
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.