Granted Patent
Utility
US 6,466,023 · App. 09/778,698
Method of determining contact wear in a trip unit
Inventors:
John James Dougherty, Bo Andersen
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Feb 7, 2001
Inventors
John James Dougherty
Bo Andersen
Assignee (at issue)
General Electric Company
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.