Granted Patent
Utility
US 5,325,698 · App. 07/953,343
Stepped extrusion die assembly
Inventors:
Vijay Nagpal, William J. Fuhrman, David H. Dodds
Patented Case
View Patent ↗
Granted: Jul 5, 1994
Filed: Sep 30, 1992
Inventors
Vijay Nagpal
William J. Fuhrman
David H. Dodds
Assignee (at issue)
Ford Motor Company
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.