Granted Patent
Utility
US 5,872,582 · App. 08/675,366
Microfluid valve for modulating fluid flow within an ink-jet printer
Inventor:
Alfred I-Tsung Pan
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Jul 2, 1996
Inventor
Alfred I-Tsung Pan
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.