Granted Patent
Utility
US 4,424,485 · App. 06/272,243
Fixed light load adjustment assembly for induction meters
Inventor:
William J. Zisa
Patented Case
View Patent ↗
Granted: Jan 3, 1984
Filed: Jun 10, 1981
Inventor
William J. Zisa
Assignee (at issue)
Westinghouse Electric Company LLC
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.