Granted Patent
Utility
US 5,976,216 · App. 08/805,262
Nickel-containing strengthened sintered ferritic stainless steels
Inventors:
Prasan K. Samal, Erhard Klar
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Feb 24, 1997
Inventors
Prasan K. Samal
Erhard Klar
Assignee (at issue)
OMG AMERICAS, INC.
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.