Granted Patent
Utility
US 6,727,639 · App. 09/855,526
Shadow mask assembly
Inventor:
Jae Wook Lee
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: May 16, 2001
Inventor
Jae Wook Lee
Assignee (at issue)
LG ELECTRONICS INC.
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.