Granted Patent
Utility
US 5,877,795 · App. 08/655,573
Methods and designs to purge air from ink tubes during initial startup
Inventors:
Brian D. Gragg, B. Michael Eckard, Michael Bilotta
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: May 24, 1996
Inventors
Brian D. Gragg
B. Michael Eckard
Michael Bilotta
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.