Granted Patent
Utility
US 5,387,976 · App. 08/144,988
Method and system for measuring drop-volume in ink-jet printers
Inventor:
Christopher M. Lesniak
Patented Case
View Patent ↗
Granted: Feb 7, 1995
Filed: Oct 29, 1993
Inventor
Christopher M. Lesniak
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.