Granted Patent
Utility
US 6,432,604 · App. 09/699,703
Process and apparatus for obtaining ink dispersions by subjecting the liquid inks to an ultrasonic or sonic signal
Inventors:
Robert J. Meyer, Christine J. Tarnawskyj
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Oct 30, 2000
Inventors
Robert J. Meyer
Christine J. Tarnawskyj
Assignee (at issue)
Xerox 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.