Granted Patent
Utility
US 5,087,077 · App. 07/656,227
Staple based binding system
Inventor:
Alfredo J. Vercillo
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: Feb 15, 1991
Inventor
Alfredo J. Vercillo
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.