Granted Patent
Utility
US 4,886,385 · App. 07/211,936
Ribbon tensioning mechanism
Inventor:
Samuel D. Cappotto
Patented Case
View Patent ↗
Granted: Dec 12, 1989
Filed: Jun 27, 1988
Inventor
Samuel D. Cappotto
Assignee (at issue)
Smith Corona Corp.
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.