Granted Patent
Utility
US 6,555,938 · App. 09/826,852
Stator for a commutator motor
Inventor:
Tomoyoshi Yokota
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Apr 6, 2001
Inventor
Tomoyoshi Yokota
Assignee (at issue)
Hitachi Koki 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.