Granted Patent
Utility
US 6,132,535 · App. 09/428,785
Process for the heat treatment of a Ni-base heat-resisting alloy
Inventors:
Ikuo Okada, Taiji Torigoe, Hisataka Kawai, Koji Takahashi, Itaru Tamura, Shyuichi Sakashita
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Oct 28, 1999
Inventors
Ikuo Okada
Taiji Torigoe
Hisataka Kawai
Koji Takahashi
Itaru Tamura
Shyuichi Sakashita
Assignees (at issue)
MITSUBISHI ELECTRIC CORPORATION
MITSUBISHI STEEL MFG. 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.