Granted Patent
Utility
US 5,591,371 · App. 08/284,666
Method and device for pouring molten metal
Inventors:
John S. Barnes, Timothy Jones, Graham L. Thompson, Adrianus C. M. Breugelmans
Patented Case
View Patent ↗
Granted: Jan 7, 1997
Filed: Nov 10, 1994
Inventors
John S. Barnes
Timothy Jones
Graham L. Thompson
Adrianus C. M. Breugelmans
Assignee (at issue)
British Steel plc.
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.