Granted Patent
Utility
US 6,251,982 · App. 09/153,609
Compound rubber compositions
Inventors:
Michael A. Masse, Michael J. Modic, Jozef Lucien Rudolf Cenens, Ilham Kadri, Emanuelle Coignoul
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Sep 15, 1998
Inventors
Michael A. Masse
Michael J. Modic
Jozef Lucien Rudolf Cenens
Ilham Kadri
Emanuelle Coignoul
Assignee (at issue)
SHELL OIL 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.