Granted Patent
Utility
US 6,386,342 · App. 09/971,594
Stainless steel for a disc brake rotor
Inventors:
Shinji Tsuge, Takaaki Matsuda, Yasutaka Okada, Tsuyoshi Sakashita, Daisuke Nago
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Oct 9, 2001
Inventors
Shinji Tsuge
Takaaki Matsuda
Yasutaka Okada
Tsuyoshi Sakashita
Daisuke Nago
Assignees (at issue)
SUMITOMO METAL INDUSTRIES, LTD.
SHIMANO INC.
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.