Granted Patent
Utility
US 5,586,863 · App. 08/468,378
Molten metal pump with vaned impeller
Inventors:
Ronald E. Gilbert, George S. Mordue, Chris T. Vild
Patented Case
View Patent ↗
Granted: Dec 24, 1996
Filed: Jun 6, 1995
Inventors
Ronald E. Gilbert
George S. Mordue
Chris T. Vild
Assignee (at issue)
Metaullics Systems Co., L.P.
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.