Granted Patent
Utility
US 5,452,756 · App. 08/171,347
Cooling method of continous casting
Inventors:
Norio Ohatake, Makoto Arase, Yoshitaka Nagai
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Dec 21, 1993
Inventors
Norio Ohatake
Makoto Arase
Yoshitaka Nagai
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.