Granted Patent
Utility
US 5,059,862 · App. 07/558,285
Electroluminescent device with improved cathode
Inventors:
Steven A. VanSlyke, Ching W. Tang
Patented Case
View Patent ↗
Granted: Oct 22, 1991
Filed: Jul 26, 1990
Inventors
Steven A. VanSlyke
Ching W. Tang
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.