Granted Patent
Utility
US 6,122,180 · App. 09/465,086
SMPS with constant power control circuit
Inventors:
Maeng-Ho Seo, Sang-Heum Yeon
Patented Case
View Patent ↗
Granted: Sep 19, 2000
Filed: Dec 16, 1999
Inventors
Maeng-Ho Seo
Sang-Heum Yeon
Assignee (at issue)
Fairfield Korea Semiconductor 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.