Granted Patent
Utility
US 4,414,852 · App. 06/301,628
Automatic zero balance circuit
Inventor:
Thomas J. McNeill
Patented Case
View Patent ↗
Granted: Nov 15, 1983
Filed: Sep 14, 1981
Inventor
Thomas J. McNeill
Assignee (at issue)
Gould 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.