Granted Patent
Utility
US 5,499,159 · App. 08/294,484
Mating ring for a watthour meter cover
Inventor:
Christopher J. Gatz
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: Aug 23, 1994
Inventor
Christopher J. Gatz
Assignee (at issue)
Landis & Gyr Energy Management
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.