Granted Patent
Utility
US 5,348,071 · App. 08/077,886
Top fill casting
Inventor:
Arnold J. Cook
Patented Case
View Patent ↗
Granted: Sep 20, 1994
Filed: Jun 15, 1993
Inventor
Arnold J. Cook
Assignee (at issue)
PCC Composites, Inc.
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.