Granted Patent
Utility
US 6,733,694 · App. 10/108,039
Electric resistance material
Inventors:
Hiroshi Morikawa, Katsunori Babazono, Takahiro Fujii, Takashi Yamauchi
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Mar 27, 2002
Inventors
Hiroshi Morikawa
Katsunori Babazono
Takahiro Fujii
Takashi Yamauchi
Assignee (at issue)
Nisshin Steel 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.