Granted Patent
Utility
US 5,903,145 · App. 08/478,605
Universal electronic energy meter for use with 4-wire standard services
Inventors:
Rodney C. Hemminger, Mark L. Munday, Fred Schleifer
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: Jun 7, 1995
Inventors
Rodney C. Hemminger
Mark L. Munday
Fred Schleifer
Assignee (at issue)
ABB Power T&D Company Inc.
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.