Granted Patent
Utility
US 5,683,391 · App. 08/482,447
Anterior spinal instrumentation and method for implantation and revision
Inventor:
Lawrence M. Boyd
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Jun 7, 1995
Inventor
Lawrence M. Boyd
Assignee (at issue)
Danek Medical, 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.