Granted Patent
Utility
US 6,475,260 · App. 09/939,857
Carbothermic aluminum production using scrap aluminum as a coolant
Inventor:
Alfred F. LaCamera
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Aug 27, 2001
Inventor
Alfred F. LaCamera
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.