Granted Patent
Utility
US 6,752,343 · App. 10/254,602
Winding fabrication method and apparatus for electric coils
Inventors:
Masahiro Nagai, Shiro Hasegawa
Patented Case
View Patent ↗
Granted: Jun 22, 2004
Filed: Sep 26, 2002
Inventors
Masahiro Nagai
Shiro Hasegawa
Assignee (at issue)
Showa Electric Wire & Cable 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.