Granted Patent
Utility
US 3,980,468 · App. 05/411,721
Method of producing a ductile rare-earth containing superalloy
Inventors:
Barry H. Rosof, H. Joseph Klein, Dennis S. Acuncius
Patented Case
View Patent ↗
Granted: Sep 14, 1976
Filed: Nov 1, 1973
Inventors
Barry H. Rosof
H. Joseph Klein
Dennis S. Acuncius
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.