Granted Patent
Utility
US 5,291,226 · App. 07/862,669
Nozzle member including ink flow channels
Inventors:
Christopher A. Schantz, Eric G. Hanson, Si-Ty Lam, Paul H. McClelland, William J. Lloyd, Laurie S. Mittelstadt, Alfred I-Tsung Pan
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Apr 2, 1992
Inventors
Christopher A. Schantz
Eric G. Hanson
Si-Ty Lam
Paul H. McClelland
William J. Lloyd
Laurie S. Mittelstadt
Alfred I-Tsung Pan
Assignee (at issue)
Hewlett-Packard 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.