Granted Patent
Utility
US 5,836,376 · App. 08/679,569
Method and apparatus for giving vibration to molten metal in twin roll continuous casting machine
Inventors:
Kunio Matsui, Atsushi Hirata, Akihiko Kimatsuka
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Jul 15, 1996
Inventors
Kunio Matsui
Atsushi Hirata
Akihiko Kimatsuka
Assignees (at issue)
ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO., LTD.
BHP Steel (JLA) Pty. 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.