Granted Patent
Utility
US 5,711,898 · App. 08/637,023
Improved blue-green emitting ZnS:Cu,Cl electroluminescent phosphor and method of making same
Inventors:
Vaddi B. Reddy, Kenneth T. Reilly
Patented Case
View Patent ↗
Granted: Jan 27, 1998
Filed: Apr 24, 1996
Inventors
Vaddi B. Reddy
Kenneth T. Reilly
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.