Granted Patent
Utility
US 6,617,362 · App. 09/711,387
Method of making cationic pigment slurries
Inventors:
Richard Ryu, Jonathan L. Snover
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: Nov 14, 2000
Inventors
Richard Ryu
Jonathan L. Snover
Assignee (at issue)
MeadWestvaco 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.