Granted Patent
Utility
US 4,711,763 · App. 06/942,322
Sulfidation-resistant Co-Cr-Ni alloy with critical contents of silicon and cobalt
Inventor:
George Y. Lai
Patented Case
View Patent ↗
Granted: Dec 8, 1987
Filed: Dec 16, 1986
Inventor
George Y. Lai
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.