Granted Patent
Utility
US 5,708,572 · App. 08/615,306
Switched-mode power supply
Inventor:
Gunther Bergk
Patented Case
View Patent ↗
Granted: Jan 13, 1998
Filed: Mar 15, 1996
Inventor
Gunther Bergk
Assignee (at issue)
The Braun 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.