Granted Patent
Utility
US 5,191,811 · App. 07/771,305
Damper device for a motor
Inventor:
Toshiharu Kogure
Patented Case
View Patent ↗
Granted: Mar 9, 1993
Filed: Oct 2, 1991
Inventor
Toshiharu Kogure
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.