Granted Patent
Utility
US 5,868,626 · App. 08/846,246
Universal joint yoke having axially-extending grooves
Inventor:
Timothy M. Whitney
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Apr 30, 1997
Inventor
Timothy M. Whitney
Assignee (at issue)
DANA LIMITED
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.