Granted Patent
Utility
US 5,885,494 · App. 08/852,463
Method of forming foamed fluoropolymer composites
Inventors:
Sundar Kilnagar Venkataraman, Stuart K. Randa, Peter Dwight Spohn
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: May 7, 1997
Inventors
Sundar Kilnagar Venkataraman
Stuart K. Randa
Peter Dwight Spohn
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.