Granted Patent
Utility
US 5,586,984 · App. 08/502,803
Polyaxial locking screw and coupling element assembly for use with rod fixation apparatus
Inventors:
Joseph P. Errico, Thomas J. Errico, James D. Ralph
Patented Case
View Patent ↗
Granted: Dec 24, 1996
Filed: Jul 14, 1995
Inventors
Joseph P. Errico
Thomas J. Errico
James D. Ralph
Assignee (at issue)
Fastenetix, 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.