Granted Patent
Utility
US 5,375,647 · App. 08/101,462
Process for ingot casting employing a magnetic field for reducing macrosegregation and associated apparatus and ingot
Inventors:
Que-Tsang Fang, Edmond S. Miksch, Gregory J. Hildeman
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: Aug 2, 1993
Inventors
Que-Tsang Fang
Edmond S. Miksch
Gregory J. Hildeman
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.