Granted Patent
Utility
US 6,786,591 · App. 10/281,007
Fluid ejector apparatus and methods
Inventors:
John Dunfield, James W. Ayers
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Oct 24, 2002
Inventors
John Dunfield
James W. Ayers
Assignee (at issue)
Hewlett-Packard Development Company, L.P.
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.