Granted Patent
Utility
US 5,336,295 · App. 08/014,623
Method for separation and removal of suspended liquid particles from molten metal and associated apparatus
Inventors:
David H. DeYoung, Diran Apelian, Rajakkannu Mutharasan
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Feb 8, 1993
Inventors
David H. DeYoung
Diran Apelian
Rajakkannu Mutharasan
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.