Granted Patent
Utility
US 6,014,321 · App. 09/082,637
Electronic switched-mode power supply and its use
Inventor:
Gunther Bergk
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: May 21, 1998
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.