Granted Patent
Utility
US 6,429,583 · App. 09/203,206
LIGHT EMITTING DEVICE WITH BA2MGSI2O7:EU2+, BA2SIO4:EU2+, OR (SRXCAY BA1-X-Y)(A1ZGA1-Z)2SR:EU2+PHOSPHORS
Inventors:
Lionel M. Levinson, Alok Mani Srivastava
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Nov 30, 1998
Inventors
Lionel M. Levinson
Alok Mani Srivastava
Assignee (at issue)
General Electric Company
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.