Granted Patent
Utility
US 6,448,707 · App. 09/456,054
Cathode ray tube panel
Inventors:
Cheon Seok Yoon, Dong-Sang Kim, Byung Chul Lim, Chang Bin
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Dec 7, 1999
Inventors
Cheon Seok Yoon
Dong-Sang Kim
Byung Chul Lim
Chang Bin
Assignee (at issue)
SAMSUNG CORNING 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.