Granted Patent
Utility
US 6,827,719 · App. 10/154,744
Polyaxial pedicle screw having a rotating locking element
Inventors:
James D. Ralph, Stephen Tatar
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: May 24, 2002
Inventors
James D. Ralph
Stephen Tatar
Assignee (at issue)
K2 Medical, 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.