Granted Patent
Utility
US 6,254,214 · App. 09/330,716
System for cooling and maintaining an inkjet print head at a constant temperature
Inventors:
Ashok Murthy, Carl Edmond Sullivan
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Jun 11, 1999
Inventors
Ashok Murthy
Carl Edmond Sullivan
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.