Granted Patent
Utility
US 6,364,951 · App. 09/685,841
Moisture insensitive electroluminescent phosphor
Inventors:
Richard G. W. Gingerich, Chen-Wen Fan
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: Oct 5, 2000
Inventors
Richard G. W. Gingerich
Chen-Wen Fan
Assignee (at issue)
OSRAM SYLVANIA Inc.
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.