Granted Patent
Utility
US 4,735,773 · App. 06/939,147
Inertial mixing method for mixing together molten metal streams
Inventor:
Charles E. Eckert
Patented Case
View Patent ↗
Granted: Apr 5, 1988
Filed: Dec 8, 1986
Inventor
Charles E. Eckert
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.