Granted Patent
Utility
US 6,800,683 · App. 09/583,657
Colored rubber composition for a tire
Inventor:
Hélène Daude
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: May 30, 2000
Inventor
Hélène Daude
Assignee (at issue)
MICHELIN RECHERCHE ET TECHNIQUE S.A.
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.