Granted Patent
Utility
US 6,163,952 · App. 08/964,589
Method of manufacturing armature of motor using hoop member
Inventor:
Isamu Takehara
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Nov 5, 1997
Inventor
Isamu Takehara
Assignee (at issue)
Seiko Seiki Kabushiki Kaisha
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.