Granted Patent
Utility
US 5,354,138 · App. 08/015,342
Self adjusting, low torque ribbon drive system
Inventor:
Robert W. Daggs
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Feb 9, 1993
Inventor
Robert W. Daggs
Assignee (at issue)
General Ribbon Corporation
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.