Granted Patent
Utility
US 4,450,007 · App. 06/449,323
Process for electroslag remelting of manganese-base alloys
Inventors:
Robert B. Herchenroeder, Boyd A. Heath
Patented Case
View Patent ↗
Granted: May 22, 1984
Filed: Dec 13, 1982
Inventors
Robert B. Herchenroeder
Boyd A. Heath
Assignee (at issue)
Cabot Corporation
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.