Granted Patent
Utility
US 5,737,001 · App. 08/674,522
Pressure regulating apparatus for ink delivered to an ink-jet print head
Inventor:
John L. Taylor
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Jul 2, 1996
Inventor
John L. Taylor
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.