Granted Patent
Utility
US 4,352,276 · App. 06/216,225
Constant velocity universal joint with improved centering device and boot seal
Inventor:
Grant H. Smith
Patented Case
View Patent ↗
Granted: Oct 5, 1982
Filed: Dec 15, 1980
Inventor
Grant H. Smith
Assignee (at issue)
BorgWarner Inc.
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.