Granted Patent
Utility
US 6,830,808 · App. 10/612,494
Perfluoroelastomer articles having improved surface properties
Inventors:
Kaori Iwamoto, Bunichi Rai, Shinichi Sogo
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Jul 2, 2003
Inventors
Kaori Iwamoto
Bunichi Rai
Shinichi Sogo
Assignee (at issue)
DUPONT DOW ELASTOMERS, 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.