Granted Patent
Utility
US 6,701,602 · App. 10/228,290
Method for manufacturing shock absorbing type steering shaft
Inventor:
Kiyoshi Sadakata
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Aug 27, 2002
Inventor
Kiyoshi Sadakata
Assignee (at issue)
NSK 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.