Granted Patent
Utility
US 5,952,778 · App. 08/820,219
Encapsulated organic light emitting device
Inventors:
Eliav Haskal, Siegfried F. Karg, Jesse Richard Salem, John Campbell Scott
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Mar 18, 1997
Inventors
Eliav Haskal
Siegfried F. Karg
Jesse Richard Salem
John Campbell Scott
Assignee (at issue)
International Business Machines Corporation
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.