Granted Patent
Utility
US 6,639,366 · App. 10/247,728
Power supply circuit for a cold-cathode fluorescent lamp
Inventor:
Shwang-Shi Bai
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Sep 20, 2002
Inventor
Shwang-Shi Bai
Assignee (at issue)
Chi Mei Optoelectronics Corp.
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.