Granted Patent
Utility
US 4,311,549 · App. 06/177,229
Laminator with heating control system
Inventor:
Alfredo J. Vercillo
Patented Case
View Patent ↗
Granted: Jan 19, 1982
Filed: Aug 11, 1980
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.