Granted Patent
Utility
US 5,716,650 · App. 08/759,453
Multilayer modular extrusion die
Inventor:
Harilaos Mavridis
Patented Case
View Patent ↗
Granted: Feb 10, 1998
Filed: Dec 5, 1996
Inventor
Harilaos Mavridis
Assignee (at issue)
Black Clawson Sano Inc.
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.