Granted Patent
Utility
US 6,803,714 · App. 10/158,012
Mask assembly for color cathode ray tube
Inventor:
In Hyuk Hwang
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: May 31, 2002
Inventor
In Hyuk Hwang
Assignee (at issue)
LG. Philips Displays Korea 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.