Granted Patent
Utility
US 5,945,478 · App. 08/881,957
High speed extrusion
Inventors:
Marlin D. Buckmaster, Stuart K. Randa
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Jun 25, 1997
Inventors
Marlin D. Buckmaster
Stuart K. Randa
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.