Granted Patent
Utility
US 6,686,142 · App. 10/090,243
Radiation-sensitive emulsion, silver halide photographic film material and radiographic intensifying screen-film combination
Inventors:
Kathy Elst, Paul Callant
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Mar 4, 2002
Inventors
Kathy Elst
Paul Callant
Assignee (at issue)
Agfa-Gevaert NV
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.