Granted Patent
Utility
US 6,825,675 · App. 10/609,271
Method for detecting a shorted printhead in a printer having at least two printheads
Inventor:
Ricky Robbins
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Jun 27, 2003
Inventor
Ricky Robbins
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.