Granted Patent
Utility
US 5,368,658 · App. 08/019,755
High strength, heat resistant aluminum-based alloys
Inventors:
Tsuyoshi Masumoto, Akihisa Inoue, Katsumasa Odera, Masahiro Oguchi
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: Feb 19, 1993
Inventors
Tsuyoshi Masumoto
Akihisa Inoue
Katsumasa Odera
Masahiro Oguchi
Assignees (at issue)
Yoshida Kogyo K.K.
Tsuyoshi Masumoto
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.