Granted Patent
Utility
US 5,205,982 · App. 07/787,428
Tundish flow control
Inventors:
Hisahiko Fukase, Walter Blejde
Patented Case
View Patent ↗
Granted: Apr 27, 1993
Filed: Nov 4, 1991
Inventors
Hisahiko Fukase
Walter Blejde
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.