Granted Patent
Utility
US 6,504,357 · App. 09/048,800
Apparatus for metering electrical power and electronically communicating electrical power information
Inventors:
Rodney C. Hemminger, Mark L. Munday
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Mar 26, 1998
Inventors
Rodney C. Hemminger
Mark L. Munday
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.