Granted Patent
Utility
US 5,783,106 · App. 08/935,645
Lithium doped terbium activated gadolinium oxysulfide phosphor
Inventors:
Vaddi B. Reddy, Shellie K. Northrop
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Sep 23, 1997
Inventors
Vaddi B. Reddy
Shellie K. Northrop
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.