Granted Patent
Utility
US 6,744,193 · App. 10/289,418
Funnel structure for cathode ray tube
Inventors:
Do Hoon Kim, Hyeon-Soo Hong
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Nov 7, 2002
Inventors
Do Hoon Kim
Hyeon-Soo Hong
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.