Granted Patent
Utility
US 5,001,008 · App. 07/222,578
Reinforcing fibrous material
Inventors:
Suguru Tokita, Hajime Inagaki
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Jul 21, 1988
Inventors
Suguru Tokita
Hajime Inagaki
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.