Granted Patent
Utility
US 6,566,025 · App. 10/046,525
Polymeric particles as external toner additives
Inventors:
Mary L. McStravick, Mark J. Hirsch, Thomas W. Pike, Ronald J. Koch
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Jan 16, 2002
Inventors
Mary L. McStravick
Mark J. Hirsch
Thomas W. Pike
Ronald J. Koch
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.