Granted Patent
Utility
US 4,388,583 · App. 06/241,135
Battery charger with transducer for controlling charge rate
Inventor:
William R. Krueger
Patented Case
View Patent ↗
Granted: Jun 14, 1983
Filed: Mar 6, 1981
Inventor
William R. Krueger
Assignee (at issue)
Outboard Marine 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.