Granted Patent
Utility
US 4,804,037 · App. 07/203,429
Dual-roll type continuous casting machine
Inventors:
Akihiro Nomura, Hisahiko Fukase, Kunio Matsui, Atsushi Hirata
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: Jun 7, 1988
Inventors
Akihiro Nomura
Hisahiko Fukase
Kunio Matsui
Atsushi Hirata
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.