Granted Patent
Utility
US 5,069,563 · App. 07/546,326
Ribbon cartridge mounting movable power switch tab
Inventor:
Robert W. Daggs
Patented Case
View Patent ↗
Granted: Dec 3, 1991
Filed: Jun 29, 1990
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.