Granted Patent
Utility
US 5,673,069 · App. 08/283,965
Method and apparatus for reducing the size of drops ejected from a thermal ink jet printhead
Inventors:
Brian Canfield, Clayton L. Holstun, King-Wah W. Yeung
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Aug 1, 1994
Inventors
Brian Canfield
Clayton L. Holstun
King-Wah W. Yeung
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.