Granted Patent
Utility
US 5,976,274 · App. 09/010,800
Soft magnetic amorphous alloy and high hardness amorphous alloy and high hardness tool using the same
Inventors:
Akihisa Inoue, Tao Zhang
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Jan 22, 1998
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.