Granted Patent
Utility
US 6,316,882 · App. 09/656,145
Electronic ballast having a stable reference voltage and a multifunction input for soft dimming and ON/OFF control
Inventors:
Nak-Choon Choi, Maeng-Ho Seo
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Sep 6, 2000
Inventors
Nak-Choon Choi
Maeng-Ho Seo
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.