Granted Patent
Utility
US 5,005,632 · App. 07/418,980
Method and apparatus for cooling a flow of molten material
Inventors:
Steven J. Henderson, Robert M. Perry
Patented Case
View Patent ↗
Granted: Apr 9, 1991
Filed: Oct 10, 1989
Inventors
Steven J. Henderson
Robert M. Perry
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.