Granted Patent
Utility
US 6,151,225 · App. 09/212,087
Switching mode power supply
Inventors:
Seong Hwan Ho, Hong Keun Eui
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Dec 15, 1998
Inventors
Seong Hwan Ho
Hong Keun Eui
Assignee (at issue)
SAMSUNG DISPLAY CO., LTD.
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.