Granted Patent
Utility
US 6,132,888 · App. 09/354,163
Stainless steel wire and producing method thereof
Inventor:
Susumo Yamamoto
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jul 16, 1999
Inventor
Susumo Yamamoto
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.