Granted Patent
Utility
US 5,449,713 · App. 08/257,577
Ethylene/.alpha.-olefin/diene rubber composition and use of the same
Inventor:
Hidenari Nakahama
Patented Case
View Patent ↗
Granted: Sep 12, 1995
Filed: Jun 9, 1994
Inventor
Hidenari Nakahama
Assignee (at issue)
Mitsui Petrochemical Industries, Ltd.
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.