Granted Patent
Utility
US 5,345,994 · App. 08/018,533
Casting metal strip
Inventors:
Heiji Kato, John Freeman
Patented Case
View Patent ↗
Granted: Sep 13, 1994
Filed: Feb 17, 1993
Inventors
Heiji Kato
John Freeman
Assignees (at issue)
ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO., LTD.
John Lysaght (Australia) Limited
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.