Granted Patent
Utility
US 6,538,263 · App. 09/868,733
Polymer electroluminescent device employing emissive ionomer-type polymer
Inventors:
O-Ok Park, Tae-Woo Lee
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Jun 18, 2001
Inventors
O-Ok Park
Tae-Woo Lee
Assignee (at issue)
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
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.