Granted Patent
Utility
US 4,960,427 · App. 07/342,722
Ball and socket bearing for artifical joint
Inventor:
Douglas G. Noiles
Patented Case
View Patent ↗
Granted: Oct 2, 1990
Filed: Apr 24, 1989
Inventor
Douglas G. Noiles
Assignee (at issue)
Joint Medical Products Corporation
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.