Granted Patent
Utility
US 4,618,474 · App. 06/694,791
Co-base heat resistant alloy
Inventors:
Junya Ohe, Saburo Wakita, Kiichi Yamatsuta, Shoji Goto, Yukinori Kutsukake, Masuo Sugizaki
Patented Case
View Patent ↗
Granted: Oct 21, 1986
Filed: Jan 25, 1985
Inventors
Junya Ohe
Saburo Wakita
Kiichi Yamatsuta
Shoji Goto
Yukinori Kutsukake
Masuo Sugizaki
Assignees (at issue)
ASAHI FIBER GLASS CO., LTD.
ASAHI GLASS CO., LTD.
Mitsubishi Kinzoku 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.