Granted Patent
Utility
US 4,585,645 · App. 06/719,559
Alpha alumina production in a steam-fluidized reactor
Inventor:
Steven W. Sucech
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Apr 3, 1985
Inventor
Steven W. Sucech
Assignee (at issue)
Aluminum Company of America
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.