Granted Patent
Utility
US 6,249,659 · App. 09/505,550
Toner cartridge with conductive drive hub
Inventor:
Tom E Stickler
Patented Case
View Patent ↗
Granted: Jun 19, 2001
Filed: Feb 17, 2000
Inventor
Tom E Stickler
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.