Granted Patent
Utility
US 6,409,413 · App. 09/336,182
Large displacement spherical joint
Inventors:
Lothar F. Bieg, Gilbert L. Benavides
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Jun 18, 1999
Inventors
Lothar F. Bieg
Gilbert L. Benavides
Assignee (at issue)
Sandia 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.