Granted Patent
Utility
US 6,193,349 · App. 08/878,284
Ink jet print cartridge having active cooling cell
Inventors:
Robert W. Cornell, William Paul Cook, Gary Allen Denton, James Harold Powers
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Jun 18, 1997
Inventors
Robert W. Cornell
William Paul Cook
Gary Allen Denton
James Harold Powers
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.