Granted Patent
Utility
US 4,255,215 · App. 06/038,361
Oriented low-alloy iron containing critical amounts of silicon and chromium
Inventors:
Gary C. Rauch, Donald R. Thornburg, Karl Foster
Patented Case
View Patent ↗
Granted: Mar 10, 1981
Filed: May 11, 1979
Inventors
Gary C. Rauch
Donald R. Thornburg
Karl Foster
Assignee (at issue)
Westinghouse Electric Company LLC
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.