Granted Patent
Utility
US 6,211,116 · App. 09/323,859
Substantially light-insensitive black and white thermographic recording material with improved image tone
Inventors:
Geert Defieuw, Johan Loccufier, Yvan Hoogmartens, Ingrid Geuens
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Jun 1, 1999
Inventors
Geert Defieuw
Johan Loccufier
Yvan Hoogmartens
Ingrid Geuens
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.