Granted Patent
Utility
US 6,227,985 · App. 09/408,900
Sinter and casting comprising Fe-based high-hardness glassy alloy
Inventors:
Takao Mizushima, Akihiro Makino, Akihisa Inoue
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Sep 29, 1999
Inventors
Takao Mizushima
Akihiro Makino
Akihisa Inoue
Assignee (at issue)
ALPS ELECTRIC CO., LTD.
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.