Granted Patent
Utility
US 4,291,743 · App. 06/134,962
Method and apparatus for pouring molten metal
Inventor:
Sebastian Aftalion
Patented Case
View Patent ↗
Granted: Sep 29, 1981
Filed: Mar 28, 1980
Inventor
Sebastian Aftalion
Assignee (at issue)
British Steel Corporation
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.