Granted Patent
Utility
US 5,519,421 · App. 08/276,733
Disruption of polymer surface of a nozzle member to inhibit adhesive flow
Inventors:
Jeffrey H. Barr, Hanno Ix, Michael P. Caren
Patented Case
View Patent ↗
Granted: May 21, 1996
Filed: Jul 18, 1994
Inventors
Jeffrey H. Barr
Hanno Ix
Michael P. Caren
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.