Granted Patent
Utility
US 5,597,249 · App. 08/320,884
Ink ribbon cartridge
Inventor:
John D. Mistyurik
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Oct 5, 1994
Inventor
John D. Mistyurik
Assignee (at issue)
Monarch Marking Systems, 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.