Granted Patent
Utility
US 5,123,979 · App. 07/617,648
Alloy for Fe Nd B type permanent magnet, sintered permanent magnet and process for obtaining it
Inventors:
Philippe Tenaud, Fernand Vial, Masato Sagawa
Patented Case
View Patent ↗
Granted: Jun 23, 1992
Filed: Nov 26, 1990
Inventors
Philippe Tenaud
Fernand Vial
Masato Sagawa
Assignee (at issue)
Aimants Ugimag S.A.
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.