Granted Patent
Utility
US 6,400,543 · App. 09/682,011
Electronic trip unit with user-adjustable sensitivity to current spikes
Inventors:
Alan J. Messerli, Mark Frederick Culler
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Jul 9, 2001
Inventors
Alan J. Messerli
Mark Frederick Culler
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.