Granted Patent
Utility
US 6,677,693 · App. 10/072,143
Motor
Inventor:
Mitsuaki Ooyama
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Feb 6, 2002
Inventor
Mitsuaki Ooyama
Assignee (at issue)
ASMO 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.