Granted Patent
Utility
US 4,645,399 · App. 06/795,080
Combined punch and binding machine having an improved pressure bar assembly
Inventor:
Roger M. Scharer
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Nov 5, 1985
Inventor
Roger M. Scharer
Assignee (at issue)
General Binding 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.