Granted Patent
Utility
US 4,303,876 · App. 06/134,494
Multi-cell battery charger
Inventors:
William T. Kelly, III, Francis Stahl
Patented Case
View Patent ↗
Granted: Dec 1, 1981
Filed: Mar 27, 1980
Inventors
William T. Kelly, III
Francis Stahl
Assignee (at issue)
Union Carbide Corporation
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.