Granted Patent
Utility
US 6,216,813 · App. 08/872,326
Rack-pinion type power steering apparatus
Inventors:
Hirotetsu Sonoda, Seiichi Kojima, Tatsuya Fukushima
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Jun 10, 1997
Inventors
Hirotetsu Sonoda
Seiichi Kojima
Tatsuya Fukushima
Assignee (at issue)
Bosch Braking Systems 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.