Granted Patent
Utility
US 6,820,992 · App. 10/242,716
Backlight module device
Inventors:
Hong-Tien Yu, Cheng-Min Liao, Yao-Tung Wang
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Sep 13, 2002
Inventors
Hong-Tien Yu
Cheng-Min Liao
Yao-Tung Wang
Assignee (at issue)
Chunghwa Picture Tubes, 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.