Granted Patent
Utility
US 5,908,581 · App. 08/834,574
Red organic electroluminescent materials
Inventors:
Chin H. Chen, Kevin P. Klubek, Jianmin Shi
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Apr 7, 1997
Inventors
Chin H. Chen
Kevin P. Klubek
Jianmin Shi
Assignee (at issue)
EASTMAN KODAK COMPANY
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.