Granted Patent
Utility
US 6,111,362 · App. 09/186,578
Controlling color shift in EL phosphors
Inventors:
William A. Coghlan, Charles I. Zovko, Edward L. Kinnally
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: Nov 5, 1998
Inventors
William A. Coghlan
Charles I. Zovko
Edward L. Kinnally
Assignee (at issue)
Durel 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.