Granted Patent
Utility
US 6,284,061 · App. 09/353,937
Soft magnetic amorphous alloy and high hardness amorphous alloy and high hardness tool using the same
Inventors:
Akihisa Inoue, Tao Zhang
Patented Case
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Granted: Sep 4, 2001
Filed: Jul 15, 1999
Inventors
Akihisa Inoue
Tao Zhang
Assignee (at issue)
Akihisa Inoue
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.