Granted Patent
Utility
US 5,240,517 · App. 07/723,332
High strength, heat resistant aluminum-based alloys
Inventors:
Tsuyoshi Matsumoto, Akihisa Inoue, Katsumasa Odera, Masahiro Oguchi
Patented Case
View Patent ↗
Granted: Aug 31, 1993
Filed: Jun 28, 1991
Inventors
Tsuyoshi Matsumoto
Akihisa Inoue
Katsumasa Odera
Masahiro Oguchi
Assignee (at issue)
Yoshida Kogyo K.K.
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.