Granted Patent
Utility
US 6,820,993 · App. 10/644,518
Planar light emitting mechanism
Inventors:
Ching-Huang Lin, Hua-Nan Huang
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Aug 20, 2003
Inventors
Ching-Huang Lin
Hua-Nan Huang
Assignee (at issue)
Toppoly 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.