Granted Patent
Utility
US 4,056,183 · App. 05/684,449
Ribbonless endorser having a shiftable inked platen and feed roller
Inventor:
Jack Beery
Patented Case
View Patent ↗
Granted: Nov 1, 1977
Filed: May 7, 1976
Inventor
Jack Beery
Assignee (at issue)
Burroughs, Inc.
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.