Granted Patent
Utility
US 5,487,634 · App. 08/266,231
Punch selectable punch press
Inventor:
Al Vercillo
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Jun 27, 1994
Inventor
Al 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.