Granted Patent
Utility
US 5,328,523 · App. 07/853,735
Composite multilayer magnetic material and its production process
Inventors:
Jean-Marie Fontaine, Arnaud Varoquauz
Patented Case
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Granted: Jul 12, 1994
Filed: May 28, 1992
Inventors
Jean-Marie Fontaine
Arnaud Varoquauz
Assignee (at issue)
Commissariat à l'Energie Atomique et aux Energies Alternatives
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.