Granted Patent
Utility
US 6,371,597 · App. 09/488,502
Tab circuit to minimize corrosion due to ink
Inventors:
Jan Richard DeMeerleer, Jeffrey Louis Sangalli
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Jan 20, 2000
Inventors
Jan Richard DeMeerleer
Jeffrey Louis Sangalli
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.