Granted Patent
Utility
US 4,954,747 · App. 07/272,736
Multi-colored thin-film electroluminescent display with filter
Inventors:
Richard T. Tuenge, James Kane
Patented Case
View Patent ↗
Granted: Sep 4, 1990
Filed: Nov 17, 1988
Inventors
Richard T. Tuenge
James Kane
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.