Granted Patent
Utility
US 6,805,813 · App. 10/435,434
High brightness green-emitting phosphor
Inventors:
Chung-Nin Chau, Gregory A. Marking
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: May 9, 2003
Inventors
Chung-Nin Chau
Gregory A. Marking
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.