Granted Patent
Utility
US 5,081,882 · App. 07/569,374
Damper device for a motor
Inventor:
Toshiharu Kogure
Patented Case
View Patent ↗
Granted: Jan 21, 1992
Filed: Aug 13, 1990
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.