Granted Patent
Utility
US 6,770,235 · App. 09/728,934
Method for adjusting the shape of a low friction coating on a splined slip joint member
Inventor:
Thomas Keller
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Dec 1, 2000
Inventor
Thomas Keller
Assignee (at issue)
Torque-Traction Technologies LLC
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.