Granted Patent
Utility
US 6,672,368 · App. 10/078,638
Continuous casting of aluminum
Inventor:
Ali Unal
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Feb 19, 2002
Inventor
Ali Unal
Assignee (at issue)
ALCOA INC.
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.