Granted Patent
Utility
US 5,540,690 · App. 08/388,987
Spinal fixation system
Inventors:
David Miller, Robert A. Farris, John Barrett
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: Feb 15, 1995
Inventors
David Miller
Robert A. Farris
John Barrett
Assignee (at issue)
Danek Group 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.