Granted Patent
Utility
US 6,742,466 · App. 10/192,848
Sewing machine with needle threading device
Inventors:
Yasuro Sano, Eiji Murakami
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Jul 11, 2002
Inventors
Yasuro Sano
Eiji Murakami
Assignee (at issue)
JANOME SEWING MACHINE 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.