Granted Patent
Utility
US 6,488,366 · App. 10/003,173
Fluid ejecting device with anchor grooves
Inventors:
Stephen Potochnik, Chien-Hua Chen
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Oct 31, 2001
Inventors
Stephen Potochnik
Chien-Hua Chen
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.