Granted Patent
Utility
US 4,489,040 · App. 06/364,954
Corrosion resistant nickel-iron alloy
Inventors:
Aziz I. Asphahani, Eugene W. Kelley, Juri Kolts
Patented Case
View Patent ↗
Granted: Dec 18, 1984
Filed: Apr 2, 1982
Inventors
Aziz I. Asphahani
Eugene W. Kelley
Juri Kolts
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.