Granted Patent
Utility
US 6,673,113 · App. 09/982,148
Intervertebral spacer device having arch shaped spring elements
Inventors:
James D. Ralph, Stephen Tatar, Joseph P. Errico
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Oct 18, 2001
Inventors
James D. Ralph
Stephen Tatar
Joseph P. Errico
Assignee (at issue)
SpineCore, Inc.
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.