Granted Patent
Utility
US 5,771,053 · App. 08/566,643
Assembly for controlling ink release from a container
Inventor:
David O. Merrill
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: Dec 4, 1995
Inventor
David O. Merrill
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.