Granted Patent
Utility
US 6,431,739 · App. 09/789,228
Illuminating apparatus using multiple light sources
Inventor:
Fu-Ming Chuang
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Feb 20, 2001
Inventor
Fu-Ming Chuang
Assignee (at issue)
PROKIA TECHNOLOGY 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.