Granted Patent
Utility
US 4,573,645 · App. 06/554,736
Ribbon tension control
Inventor:
Samuel C. Harris, Jr.
Patented Case
View Patent ↗
Granted: Mar 4, 1986
Filed: Nov 23, 1983
Inventor
Samuel C. Harris, Jr.
Assignee (at issue)
Genicom 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.