Granted Patent
Utility
US 4,694,887 · App. 06/868,068
Dual roll type continuous casting machine
Inventors:
Kunio Matsui, Hisahiko Fukase, Akihiro Nomura
Patented Case
View Patent ↗
Granted: Sep 22, 1987
Filed: May 29, 1986
Inventors
Kunio Matsui
Hisahiko Fukase
Akihiro Nomura
Assignee (at issue)
Ishikawajima-Harima Jukogyo Kabushiki Kaisha
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.