Granted Patent
Utility
US 5,693,254 · App. 08/672,606
Cesium-zinc halide phosphors, phosphor screens, and preparation methods
Inventors:
Kurt D. Sieber, Lisa B. Todd
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Jun 28, 1996
Inventors
Kurt D. Sieber
Lisa B. Todd
Assignee (at issue)
EASTMAN KODAK 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.