Granted Patent
Utility
US 5,844,579 · App. 08/566,819
Out-of-ink sensing system for an ink-jet printer
Inventors:
John A. Barinaga, James M. Cameron, John A. Underwood
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Dec 4, 1995
Inventors
John A. Barinaga
James M. Cameron
John A. Underwood
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.