Granted Patent
Utility
US 6,073,680 · App. 09/226,146
Strip casting
Inventor:
William J. Folder
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Jan 7, 1999
Inventor
William J. Folder
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.