Granted Patent
Utility
US 6,761,964 · App. 10/108,967
Fluoropolymer non-stick coatings
Inventor:
Harvey P. Tannenbaum
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: Mar 27, 2002
Inventor
Harvey P. Tannenbaum
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.