Granted Patent
Utility
US 4,769,566 · App. 07/037,696
Shallow cup-shaped miniature motor
Inventor:
Shinichi Matsuda
Patented Case
View Patent ↗
Granted: Sep 6, 1988
Filed: Apr 13, 1987
Inventor
Shinichi Matsuda
Assignee (at issue)
MABUCHI MOTOR 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.