Granted Patent
Utility
US 5,790,144 · App. 08/720,166
Method of controlling an operating temperature of a printhead in an ink jet cartridge assembly
Inventors:
Thomas Jon Eade, Bruce David Gibson, Randall David Mayo
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Sep 25, 1996
Inventors
Thomas Jon Eade
Bruce David Gibson
Randall David Mayo
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.