Granted Patent
Utility
US 6,331,372 · App. 09/416,508
Toner particulates comprising an ethylene propylene wax
Inventors:
Bryan Patrick Livengood, James C. Minor, Michael Thomas Moore, John Melvin Olson, Minerva Piffarerio, Vincent Ting
Patented Case
View Patent ↗
Granted: Dec 18, 2001
Filed: Oct 8, 1999
Inventors
Bryan Patrick Livengood
James C. Minor
Michael Thomas Moore
John Melvin Olson
Minerva Piffarerio
Vincent Ting
Assignee (at issue)
Lexmark International, Inc.
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.