Granted Patent
Utility
US 6,724,180 · App. 10/241,846
Apparatus for and method of metering separate lighting circuits for comparative electric power usage to provide a virtual power plant in electric power savings
Inventors:
Neal R. Verfuerth, Michael J. Potts
Patented Case
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Granted: Apr 20, 2004
Filed: Sep 13, 2002
Inventors
Neal R. Verfuerth
Michael J. Potts
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.