Granted Patent
Utility
US 5,562,762 · App. 08/442,596
Jet ink with amine surfactant
Inventors:
James Mrvos, Ann M. Piekunka, Richard B. Watkins
Patented Case
View Patent ↗
Granted: Oct 8, 1996
Filed: May 17, 1995
Inventors
James Mrvos
Ann M. Piekunka
Richard B. Watkins
Assignee (at issue)
Lexmark International, Inc.
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.