Granted Patent
Utility
US 5,238,050 · App. 07/879,395
Strip casting
Inventors:
William J. Folder, John Freeman
Patented Case
View Patent ↗
Granted: Aug 24, 1993
Filed: May 7, 1992
Inventors
William J. Folder
John Freeman
Assignees (at issue)
ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO., LTD.
John Lysaght 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.