Granted Patent
Utility
US 5,940,009 · App. 08/925,542
Apparatus and method to detect tampering with an electronic utility meter
Inventors:
Garry M. Loy, Kenneth C. Shuey, Mark L. Munday, Rodney C. Hemminger
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Sep 8, 1997
Inventors
Garry M. Loy
Kenneth C. Shuey
Mark L. Munday
Rodney C. Hemminger
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.