Granted Patent
Utility
US 4,532,771 · App. 06/518,031
Cooler made of aluminum for stirling engines
Inventors:
Yutaka Momose, Kazuaki Yamaguchi, Masayoshi Okamoto, Ryoichi Hoshino, Hiroki Tanaka
Patented Case
View Patent ↗
Granted: Aug 6, 1985
Filed: Jul 28, 1983
Inventors
Yutaka Momose
Kazuaki Yamaguchi
Masayoshi Okamoto
Ryoichi Hoshino
Hiroki Tanaka
Assignees (at issue)
Showa Aluminum Corp.
AISIN SEIKI KABUSHIKI KAISHA
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.