Granted Patent
Utility
US 5,861,454 · App. 08/612,924
Rubber composition containing carbon fibrils and a pneumatic tire
Inventors:
Hiroharu Ikeda, Naoya Ogata, Robert W. Hausslein, David Moy, Chun-Ming Niu
Patented Case
View Patent ↗
Granted: Jan 19, 1999
Filed: Aug 24, 1996
Inventors
Hiroharu Ikeda
Naoya Ogata
Robert W. Hausslein
David Moy
Chun-Ming Niu
Assignee (at issue)
Hyperion Catalysis Int'l Inc.
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.