Granted Patent
Utility
US 5,754,207 · App. 08/546,387
Volume indicating ink reservoir cartridge system
Inventors:
Brian D. Gragg, George T. Kaplinsky, Tofigh Khodapanah, David W. Swanson, James E. Clark
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Oct 20, 1995
Inventors
Brian D. Gragg
George T. Kaplinsky
Tofigh Khodapanah
David W. Swanson
James E. Clark
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.