Granted Patent
Utility
US 5,469,911 · App. 08/226,727
Method for improving surface quality of electromagnetically cast aluminum alloys and products therefrom
Inventor:
Gary B. Parker
Patented Case
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Granted: Nov 28, 1995
Filed: Apr 12, 1994
Inventor
Gary B. Parker
Assignee (at issue)
Reynolds Metals Company
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.