Granted Patent
Utility
US 4,855,573 · App. 07/171,686
Electrically heated binder apparatus
Inventors:
Alfredo J. Vercillo, Nicholas M. Nanos
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Mar 22, 1988
Inventors
Alfredo J. Vercillo
Nicholas M. Nanos
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.