Granted Patent
Utility
US 5,879,407 · App. 08/895,747
Wear resistant ball and socket joint
Inventor:
Herbert A. Waggener
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Jul 17, 1997
Inventor
Herbert A. Waggener
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.