Granted Patent
Utility
US 6,650,048 · App. 09/982,371
Ventilated light emitting diode matrix panel
Inventor:
Jiahn-Chang Wu
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Oct 19, 2001
Inventor
Jiahn-Chang Wu
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.