Granted Patent
Utility
US 5,892,527 · App. 08/635,795
Ink cartridge with an unfelted foam and method of printing using the same
Inventors:
Kenneth James Harshbarger, Ajay Kanubhai Suthar
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Apr 22, 1996
Inventors
Kenneth James Harshbarger
Ajay Kanubhai Suthar
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.