Granted Patent
Utility
US 6,565,176 · App. 09/865,881
Long-life stable-jetting thermal ink jet printer
Inventors:
Frank Edward Anderson, Thomas Austin Fields, Paul Graf, Yimin Guan, George Keith Parish, Kent Lee Ubellacker
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: May 25, 2001
Inventors
Frank Edward Anderson
Thomas Austin Fields
Paul Graf
Yimin Guan
George Keith Parish
Kent Lee Ubellacker
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.