Granted Patent
Utility
US 6,284,442 · App. 09/448,392
Black and white thermographic recording material with improved diagnostic capability
Inventors:
Guy Michel Van Ackere, Geert Defieuw, Ivan Hoogmartens, Johan Loccufier
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Nov 23, 1999
Inventors
Guy Michel Van Ackere
Geert Defieuw
Ivan Hoogmartens
Johan Loccufier
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.