Granted Patent
Utility
US 6,166,138 · App. 09/114,636
Fluoropolymer composition
Inventor:
Robert Joseph Kolouch
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Jul 13, 1998
Inventor
Robert Joseph Kolouch
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.