Granted Patent
Utility
US 6,660,185 · App. 09/800,426
Photoluminescent phosphor powders, methods for making phosphor powders and devices incorporating same
Inventors:
Mark J. Hampden-Smith, Toivo T. Kodas, James Caruso, Daniel J. Skamser, Quint H. Powell, Klaus Kunze
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Mar 6, 2001
Inventors
Mark J. Hampden-Smith
Toivo T. Kodas
James Caruso
Daniel J. Skamser
Quint H. Powell
Klaus Kunze
Assignee (at issue)
Cabot Corporation
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.