Granted Patent
Utility
US 6,313,196 · App. 09/237,822
Ink jet ink
Inventors:
Gunter Helling, Stefan Herrmann
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Jan 27, 1999
Inventors
Gunter Helling
Stefan Herrmann
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.