Granted Patent
Utility
US 4,322,172 · App. 06/159,426
Replaceable reinker for an inked ribbon cartridge
Inventor:
Edward D. Furrow
Patented Case
View Patent ↗
Granted: Mar 30, 1982
Filed: Jun 16, 1980
Inventor
Edward D. Furrow
Assignee (at issue)
General Electric Company
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.