Granted Patent
Utility
US 5,112,398 · App. 07/676,190
Jet printing ink
Inventor:
Jurgen M. Kruse
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: Mar 27, 1991
Inventor
Jurgen M. Kruse
Assignee (at issue)
Xaar Limited
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.