Granted Patent
Utility
US 6,669,615 · App. 09/967,428
Plastic film hinging and pre-creasing process
Inventor:
Robert B. DeMatteis
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Sep 27, 2001
Inventor
Robert B. DeMatteis
Assignee (at issue)
Bob DeMatteis Co.
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.