Granted Patent
Utility
US 6,472,476 · App. 09/671,660
Oil- and water-repellent finishes for textiles
Inventors:
David S. Soane, David Offord
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Sep 27, 2000
Inventors
David S. Soane
David Offord
Assignee (at issue)
Nanotex LLC
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.