Granted Patent
Utility
US 6,831,389 · App. 10/064,362
Stator coil structure for revolving-field electrical machine and method of manufacturing same
Inventors:
Tadashi Takano, Susumu Ando
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Jul 6, 2002
Inventors
Tadashi Takano
Susumu Ando
Assignee (at issue)
KABUSHIKI KAISHA TOP
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.