Granted Patent
Utility
US 5,808,637 · App. 08/451,788
Method and apparatus for ink drop trajectory control
Inventors:
Donald E. Wenzel, David E. Hackleman
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: May 26, 1995
Inventors
Donald E. Wenzel
David E. Hackleman
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.