Granted Patent
Utility
US 6,507,794 · App. 09/201,440
Energy meter with power quality monitoring systems and methods
Inventors:
Vick A. Hubbard, Mark L. Munday, Rodney C. Hemminger, Scott T. Holdsclaw
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Nov 30, 1998
Inventors
Vick A. Hubbard
Mark L. Munday
Rodney C. Hemminger
Scott T. Holdsclaw
Assignee (at issue)
ABB Automation GmbH
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.