Granted Patent
Utility
US 5,331,378 · App. 08/099,813
Toner cartridge with independent driven systems
Inventors:
Ronald Willard Baker, Robert Leonard Burdick, Martin Victor DiGirolamo, David Lee Merrifield, James J. Molloy, Paul Douglas Horrall, Gary Michael Tylicki, Earl Dawson Ward, II, Bernard L. Wilzbach
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Jul 29, 1993
Inventors
Ronald Willard Baker
Robert Leonard Burdick
Martin Victor DiGirolamo
David Lee Merrifield
James J. Molloy
Paul Douglas Horrall
Gary Michael Tylicki
Earl Dawson Ward, II
Bernard L. Wilzbach
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.