Granted Patent
Utility
US 5,163,773 · App. 07/712,029
Self-locking ball-and-socket mechanism
Inventors:
Omer C. Denney, James D. Keaton, David E. Staeuble, Larry C. A. Studebaker, William Lee Van Doren
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Jun 7, 1991
Inventors
Omer C. Denney
James D. Keaton
David E. Staeuble
Larry C. A. Studebaker
William Lee Van Doren
Assignee (at issue)
General Motors 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.