Granted Patent
Utility
US 6,457,820 · App. 09/885,225
Facility and method for removing gas bubbles from an ink jet printer
Inventors:
Edward Cai, Ravi Prasad, Isaac Farr, Jenny S. Li
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Jun 19, 2001
Inventors
Edward Cai
Ravi Prasad
Isaac Farr
Jenny S. Li
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.