Granted Patent
Utility
US 5,817,094 · App. 08/788,804
Polyaxial locking screw and coupling element
Inventors:
Joseph P. Errico, Thomas J. Errico, James D. Ralph
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Jan 23, 1997
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.