Granted Patent
Utility
US 6,206,511 · App. 09/100,043
Multiple-cartridge off-board ink supplies for color ink jet printers
Inventors:
William Paul Cook, Gary Allen Denton
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Jun 19, 1998
Inventors
William Paul Cook
Gary Allen Denton
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.