Granted Patent
Utility
US 4,584,514 · App. 06/713,565
High frequency switching battery charger
Inventor:
Henry Kaminski
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Mar 18, 1985
Inventor
Henry Kaminski
Assignee (at issue)
ALLIED CONSULTING, 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.