Granted Patent
Utility
US 6,463,254 · App. 09/851,716
Toner cleaner system vibrator and method
Inventors:
Michael David Maul, Alexander D. Meade, Liqun Larry Wang
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: May 9, 2001
Inventors
Michael David Maul
Alexander D. Meade
Liqun Larry Wang
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.