Granted Patent
Utility
US 6,522,067 · App. 09/427,138
Environmental barrier material for organic light emitting device and method of making
Inventors:
Gordon L. Graff, Mark E. Gross, John D. Affinito, Ming Kun Shi, Michael Hall, Eric Mast
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Oct 25, 1999
Inventors
Gordon L. Graff
Mark E. Gross
John D. Affinito
Ming Kun Shi
Michael Hall
Eric Mast
Assignee (at issue)
Battelle Memorial 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.