Granted Patent
Utility
US 6,576,131 · App. 08/991,572
Process and apparatus for changing the wetting agent of pigments
Inventor:
Christian Millauer
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Dec 16, 1997
Inventor
Christian Millauer
Assignee (at issue)
Flint Ink Corporation
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.