Granted Patent
Utility
US 5,663,573 · App. 08/406,512
Bipolar electroluminescent device
Inventors:
Arthur J. Epstein, Yunzhang Wang, Darren D. Gebler
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Mar 17, 1995
Inventors
Arthur J. Epstein
Yunzhang Wang
Darren D. Gebler
Assignee (at issue)
OHIO STATE UNIVERSITY
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.