Granted Patent
Utility
US 4,563,330 · App. 06/538,026
Samarium-cobalt magnet alloy containing praseodymium and neodymium
Inventors:
Kalatur S. V. L. Narasimhan, Francis S. Snyder
Patented Case
View Patent ↗
Granted: Jan 7, 1986
Filed: Sep 30, 1983
Inventors
Kalatur S. V. L. Narasimhan
Francis S. Snyder
Assignee (at issue)
Crucible Materials 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.