Granted Patent
Utility
US 6,820,963 · App. 10/353,487
Fluid ejection head
Inventors:
Jill Stauffer, Clayton L. Holstun
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Jan 28, 2003
Inventors
Jill Stauffer
Clayton L. Holstun
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.