Granted Patent
Utility
US 6,626,513 · App. 09/907,710
Ink detection circuit and sensor for an ink jet printer
Inventors:
Christopher Alan Adkins, Adam Jude Ahne, Michael Clark Campbell, Mark Joseph Edwards
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Jul 18, 2001
Inventors
Christopher Alan Adkins
Adam Jude Ahne
Michael Clark Campbell
Mark Joseph Edwards
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.