Granted Patent
Utility
US 6,065,813 · App. 09/138,760
Two-piece friction welded motor vehicle axle shaft
Inventors:
Gregory A. Fett, Jeffrey L. Colbert
Patented Case
View Patent ↗
Granted: May 23, 2000
Filed: Aug 24, 1998
Inventors
Gregory A. Fett
Jeffrey L. Colbert
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.