Granted Patent
Utility
US 5,594,483 · App. 08/425,515
Ink-jet cartridge with ink filtration
Inventors:
George T. Kaplinsky, David W. Swanson
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Apr 20, 1995
Inventors
George T. Kaplinsky
David W. Swanson
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.