Granted Patent
Utility
US 5,932,673 · App. 08/962,380
Tetrafluoroethylene copolymer
Inventors:
Ralph Munson Aten, Clay Woodward Jones, Allan Olson
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Oct 31, 1997
Inventors
Ralph Munson Aten
Clay Woodward Jones
Allan Olson
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.