Granted Patent
Utility
US 6,598,288 · App. 09/703,145
Armature of motor, manufacturing method of the same and motor using the same and motor having the same
Inventor:
Isamu Takehara
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Oct 31, 2000
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.