Granted Patent
Utility
US 6,610,217 · App. 09/911,114
ZnS:Ag,A1 phosphor and method of making same
Inventors:
Gregory A. Marking, Courtney Spencer Warren, Brian Payne
Patented Case
View Patent ↗
Granted: Aug 26, 2003
Filed: Jul 23, 2001
Inventors
Gregory A. Marking
Courtney Spencer Warren
Brian Payne
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.