Granted Patent
Utility
US 4,546,302 · App. 06/189,118
Protective sensing means for battery charging circuit
Inventor:
Leonard S. Smith
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: Sep 22, 1980
Inventor
Leonard S. Smith
Assignee (at issue)
Scepter Manufacturing, 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.